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Denial of Service

other MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

How It Works

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions. Attackers exploit asymmetry: minimal attacker effort produces disproportionate resource consumption on the target. Application-level attacks use specially crafted inputs that trigger expensive operations—a regex engine processing malicious patterns can backtrack exponentially, or XML parsers recursively expand entities until memory exhausts. Network-level attacks flood targets with connection requests or amplify traffic through reflection, but application vulnerabilities often provide the most efficient attack surface.

The attack typically begins with reconnaissance to identify resource-intensive operations or unprotected endpoints. For algorithmic complexity attacks, adversaries craft inputs hitting worst-case performance—hash collision inputs filling hash tables with collisions, deeply nested JSON triggering recursive parsing, or pathological regex patterns like (a+)+b against strings of repeated 'a' characters. Resource exhaustion attacks open thousands of connections, upload massive files to unbounded storage, or trigger memory leaks through repeated operations. Crash-based attacks target error handling gaps: null pointer dereferences, unhandled exceptions in parsers, or assertion failures that terminate processes.

Impact

  • Service unavailability preventing legitimate users from accessing applications during attack duration
  • Revenue loss from downtime in e-commerce, SaaS platforms, or transaction processing systems
  • Cascading failures as resource exhaustion spreads to dependent services or database connections pool out
  • SLA violations triggering financial penalties and damaging customer trust
  • Security team distraction providing cover for data exfiltration or intrusion attempts running concurrently

Real-World Examples

CVE-2018-1000544 in Ruby's WEBrick server allowed ReDoS through malicious HTTP headers containing specially crafted patterns that caused the regex engine to backtrack exponentially, freezing request processing threads. A single attacker could saturate all available workers.

Cloudflare experienced a global outage in 2019 when a single WAF rule containing an unoptimized regex hit pathological cases on legitimate traffic spikes. The .*(?:.*=.*)* pattern exhibited catastrophic backtracking, consuming CPU cycles across their edge network until the rule was disabled.

CVE-2013-1664 demonstrated XML bomb vulnerabilities in Python's XML libraries. Attackers uploaded XML documents with nested entity definitions-each entity expanding to ten copies of the previous level. A 1KB upload could expand to gigabytes in memory during parsing, crashing applications instantly.

Mitigation

  • Strict input validation enforcing size limits, complexity bounds, and nesting depth restrictions before processing
  • Request rate limiting per IP address, API key, or user session with exponential backoff
  • Timeout enforcement terminating operations exceeding reasonable execution windows (typically 1-5 seconds)
  • Resource quotas limiting memory allocation, CPU time, and connection counts per request or tenant
  • Regex complexity analysis using linear-time algorithms or sanitizing patterns to eliminate backtracking
  • Circuit breakers automatically rejecting requests when error rates or latency thresholds indicate degradation
  • Load balancing and autoscaling distributing traffic across instances with automatic capacity expansion

Recent CVEs (40243)

EPSS 1% CVSS 7.5
HIGH This Week

Tec4Data SmartCooler, all versions prior to firmware 180806, the device responds to a remote unauthenticated reboot command that may be used to perform a denial of service attack. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Denial Of Service Smartcooler Firmware
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

The function mp4v2::impl::MP4Track::FinishSdtp() in mp4track.cpp in libmp4v2 2.1.0 mishandles compatibleBrand while processing a crafted mp4 file, which leads to a heap-based buffer over-read,. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure +2
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

Memory leak in the H5O__chunk_deserialize() function in H5Ocache.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service (memory consumption) via a crafted HDF5 file. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Hdf5 Hdfgroup
NVD GitHub
EPSS 2% CVSS 6.5
MEDIUM POC This Month

A SIGFPE signal is raised in the function H5D__create_chunk_file_map_hyper() of H5Dchunk.c in the HDF HDF5 through 1.10.3 library during an attempted parse of a crafted HDF file, because of incorrect. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Hdf5 Hdfgroup
NVD GitHub
EPSS 2% CVSS 7.5
HIGH POC This Week

Telegram Desktop (aka tdesktop) 1.3.14 might allow attackers to cause a denial of service (assertion failure and application exit) via an "Edit color palette" search that triggers an "index out of. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Telegram Desktop Telegram
NVD
EPSS 2% CVSS 6.5
MEDIUM POC This Month

Exiv2::ul2Data in types.cpp in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer overflow) via a crafted image file. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +1
NVD GitHub
EPSS 2% CVSS 6.5
MEDIUM POC This Month

Exiv2::d2Data in types.cpp in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer overflow) via a crafted image file. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +1
NVD GitHub
EPSS 3% CVSS 7.5
HIGH POC PATCH This Week

An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6, affecting ofproto_rule_insert__ in ofproto/ofproto.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Red Hat Canonical +3
NVD GitHub
EPSS 2% CVSS 4.3
MEDIUM PATCH This Month

An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6, affecting parse_group_prop_ntr_selection_method in lib/ofp-util.c. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity.

Denial Of Service Debian Red Hat +5
NVD GitHub
EPSS 3% CVSS 5.5
MEDIUM PATCH This Month

In Apache Tika 1.2 to 1.18, a carefully crafted file can trigger an infinite loop in the IptcAnpaParser. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Apache Tika
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, asynchronous callbacks received a pointer to a callers local variable. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Google +3
NVD
EPSS 10% CVSS 7.5
HIGH PATCH This Week

In Apache Tika 0.1 to 1.18, the XML parsers were not configured to limit entity expansion. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This XML External Entity (XXE) vulnerability could allow attackers to read arbitrary files or perform SSRF through XML processing.

Denial Of Service Apache XXE +3
NVD
EPSS 7% CVSS 7.5
HIGH PATCH This Week

Bitcoin Core 0.14.x before 0.14.3, 0.15.x before 0.15.2, and 0.16.x before 0.16.3 and Bitcoin Knots 0.14.x through 0.16.x before 0.16.3 allow a remote denial of service (application crash). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Bitcoin Core Bitcoin Knots +2
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM This Month

Cloud Foundry Garden-runC release, versions prior to 1.16.1, prevents deletion of some app environments based on file attributes. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Garden Runc Cloudfoundry
NVD
EPSS 2% CVSS 7.5
HIGH This Week

Dell EMC Isilon OneFS versions 7.1.1.x, 7.2.1.x, 8.0.0.x, 8.0.1.x, 8.1.0.x and 8.1.x prior to 8.1.2 and Dell EMC IsilonSD Edge versions 8.0.0.x, 8.0.1.x, 8.1.0.x and 8.1.x prior to 8.1.2 contain a. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Dell Isilon Onefs +2
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, lack fo check on return value in WMA response handler can lead to potential use after free. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Denial Of Service Linux Google +4
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, callback executed from the other thread has freed memory which is also used in wlan. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Denial Of Service Linux Google +4
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, while accessing global variable "debug_client" in multi-thread manner, Use after free issue. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Denial Of Service Linux Google +4
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, while calling IPA_IOC_MDFY_RT_RULE IPA IOCTL, header entry is not checked before use. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Denial Of Service Linux Google +4
NVD
EPSS 21% CVSS 9.8
CRITICAL PATCH Act Now

Python Software Foundation Python (CPython) version 2.7 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in shutil module. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Python Command Injection +6
NVD GitHub
EPSS 3% CVSS 5.9
MEDIUM POC PATCH This Month

A security flaw was found in the ip_frag_reasm() function in net/ipv4/ip_fragment.c in the Linux kernel from 4.19-rc1 to 4.19-rc3 inclusive, which can cause a later system crash in ip_do_fragment(). Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

Denial Of Service Linux Linux Kernel
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

The AjaxControl component of Oracle WebCenter Interaction Portal 10.3.3 does not validate the names of pages when processing page rename requests. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Oracle Webcenter Interaction
NVD
EPSS 3% CVSS 7.5
HIGH POC PATCH This Week

The html package (aka x/net/html) through 2018-09-17 in Go mishandles <math><template><mo><template>, leading to a "panic: runtime error" in parseCurrentToken in parse.go during an html.Parse call. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Golang +3
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

blocking_request.cgi on ASUS GT-AC5300 devices through 3.0.0.4.384_32738 allows remote attackers to cause a denial of service (NULL pointer dereference and device crash) via a request that lacks a. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Gt Ac5300 Firmware +1
NVD GitHub
EPSS 3% CVSS 8.8
HIGH PATCH This Week

An issue was discovered in LibTIFF 4.0.9. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.

Buffer Overflow Denial Of Service Memory Corruption +5
NVD
EPSS 2% CVSS 8.8
HIGH PATCH This Week

An issue was discovered in LibTIFF 4.0.9. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.

Denial Of Service Integer Overflow Debian +4
NVD
EPSS 3% CVSS 8.8
HIGH POC This Week

The WavFileBase class in WavFile.cpp in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service (heap corruption from size inconsistency) or possibly have unspecified. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +2
NVD GitHub
EPSS 3% CVSS 8.8
HIGH POC This Week

The WavFileBase class in WavFile.cpp in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service (double free) or possibly have unspecified other impact, as demonstrated by. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Soundtouch Surina
NVD GitHub
EPSS 2% CVSS 6.5
MEDIUM POC This Month

The BPMDetect class in BPMDetect.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service (assertion failure and application exit), as. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Soundtouch Surina
NVD GitHub
EPSS 3% CVSS 7.5
HIGH POC PATCH This Week

The html package (aka x/net/html) before 2018-07-13 in Go mishandles "in frameset" insertion mode, leading to a "panic: runtime error" for html.Parse of <template><object>, <template><applet>, or. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Golang +4
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

wernsey/bitmap before 2018-08-18 allows a NULL pointer dereference via a 4-bit image. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Bitmap
NVD GitHub
EPSS 2% CVSS 8.2
HIGH This Week

An XXE vulnerability in the OPC UA Java and .NET Legacy Stack can allow remote attackers to trigger a denial of service. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Java XXE +3
NVD
EPSS 3% CVSS 7.5
HIGH This Week

A flaw was found in 389-ds-base before version 1.3.8.4-13. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Red Hat Enterprise Linux Desktop +7
NVD
EPSS 1% CVSS 5.5
MEDIUM POC This Month

An issue has been found in dbf2txt through 2012-07-19. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Dbf2Txt
NVD GitHub
EPSS 2% CVSS 7.2
HIGH POC This Week

Stack-based buffer overflow on the ASUS GT-AC5300 router through 3.0.0.4.384_32738 allows remote attackers to cause a denial of service (device crash) or possibly have unspecified other impact by. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +2
NVD GitHub
EPSS 2% CVSS 7.5
HIGH POC This Week

ASUS GT-AC5300 devices with firmware through 3.0.0.4.384_32738 allow remote attackers to cause a denial of service via a single "GET / HTTP/1.1\r\n" line. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Gt Ac5300 Firmware Asus
NVD GitHub
EPSS 4% CVSS 7.5
HIGH PATCH This Week

When parsing a malformed JSON payload, libprocess in Apache Mesos versions 1.4.0 to 1.5.0 might crash due to an uncaught exception. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Apache Mesos
NVD
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service TP-Link Tl Wr886N Firmware
NVD GitHub
EPSS 3% CVSS 6.5
MEDIUM POC This Month

A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +4
NVD
EPSS 1% CVSS 5.5
MEDIUM POC This Month

Netwide Assembler (NASM) 2.14rc15 has an invalid memory write (segmentation fault) in expand_smacro in preproc.c, which allows attackers to cause a denial of service via a crafted input file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +2
NVD
EPSS 2% CVSS 7.5
HIGH This Week

On BIG-IP APM 11.6.0-11.6.3.1, 12.1.0-12.1.3.3, 13.0.0, and 13.1.0-13.1.0.3, APMD may core when processing SAML Assertion or response containing certain elements. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Big Ip Access Policy Manager F5
NVD
EPSS 1% CVSS 7.5
HIGH POC This Week

In Lizard (formerly LZ5) 2.0, use of an invalid memory address was discovered in LZ5_compress_continue in lz5_compress.c, related to LZ5_compress_fastSmall and MEM_read32. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure +1
NVD GitHub
EPSS 1% CVSS 5.5
MEDIUM POC PATCH This Month

Open Chinese Convert (OpenCC) 1.0.5 allows attackers to cause a denial of service (segmentation fault) because BinaryDict::NewFromFile in BinaryDict.cpp may have out-of-bounds keyOffset and. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure +1
NVD GitHub
EPSS 7% CVSS 6.8
MEDIUM PATCH This Month

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low attack complexity.

Denial Of Service Microsoft Windows Server 2016 +3
NVD
EPSS 2% CVSS 6.2
MEDIUM PATCH This Month

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows. Rated medium severity (CVSS 6.2), this vulnerability is low attack complexity.

Denial Of Service Microsoft Windows Server 2016 +1
NVD
EPSS 2% CVSS 6.2
MEDIUM PATCH This Month

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows. Rated medium severity (CVSS 6.2), this vulnerability is low attack complexity.

Denial Of Service Microsoft Windows Server 2016 +1
NVD
EPSS 7% CVSS 7.5
HIGH PATCH This Week

A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service." This affects .NET Core 2.1, System.IO.Pipelines, ASP.NET. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Microsoft Asp Net Core +2
NVD
EPSS 9% CVSS 7.5
HIGH PATCH This Week

A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server, aka "Windows SMB Denial of Service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Microsoft Windows 10 +2
NVD
EPSS 26% CVSS 7.5
HIGH POC PATCH THREAT This Week

A denial of service vulnerability exists when OData Library improperly handles web requests, aka "OData Denial of Service Vulnerability." This affects Microsoft.Data.OData. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Microsoft Microsoft Data Odata
NVD Exploit-DB
EPSS 3% CVSS 5.3
MEDIUM PATCH This Month

Multiple memory leaks in Intel AMT in Intel CSME firmware versions before 12.0.5 may allow an unauthenticated user with Intel AMT provisioned to potentially cause a partial denial of service via. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Siemens Intel +14
NVD
EPSS 0% CVSS 8.2
HIGH This Week

Improper input validation in firmware for Intel NUC Kits may allow a privileged user to potentially execute arbitrary code resulting in information disclosure, escalation of privilege and/or denial. Rated high severity (CVSS 8.2), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation RCE Denial Of Service +5
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Privilege escalation in Intel Baseboard Management Controller (BMC) firmware before version 1.43.91f76955 may allow an unprivileged user to potentially execute arbitrary code or perform denial of. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Privilege Escalation RCE Denial Of Service +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Buffer overflow in installer for Intel Extreme Tuning Utility before 6.4.1.21 may allow an authenticated user to potentially cause a buffer overflow potentially leading to a denial of service via. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Buffer Overflow Denial Of Service Intel +1
NVD
EPSS 1% CVSS 5.5
MEDIUM This Month

Some Huawei smart phones with software of Leland-AL00 8.0.0.114(C636), Leland-AL00A 8.0.0.171(C00) have a denial of service (DoS) vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Huawei Leland Al00 Firmware +1
NVD
EPSS 0% CVSS 7.1
HIGH PATCH This Week

In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p3, 11.1-RELEASE-p14, 10.4-STABLE, and 10.4-RELEASE-p12, insufficient validation in the ELF header parser could allow a malicious ELF binary to cause a. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity.

Denial Of Service Freebsd
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

Inteno DG400 WU7U_ELION3.11.6-170614_1328 devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses, as demonstrated by macof. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Dg400 Firmware
NVD
EPSS 3% CVSS 7.5
HIGH This Week

An issue was discovered in OpenAFS before 1.6.23 and 1.8.x before 1.8.2. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Debian Debian Linux +1
NVD
EPSS 3% CVSS 7.5
HIGH This Week

SAP HANA (versions 1.0 and 2.0) Extended Application Services classic model OData parser does not sufficiently validate XML. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service SAP Hana
NVD
EPSS 2% CVSS 6.5
MEDIUM PATCH This Month

It was found that URLResource.getLastModified() in Undertow closes the file descriptors only when they are finalized which can cause file descriptors to exhaust. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Red Hat Undertow +2
NVD
EPSS 2% CVSS 6.5
MEDIUM This Month

A flaw was found in the 389 Directory Server that allows users to cause a crash in the LDAP server using ldapsearch with server side sort. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Red Hat 389 Directory Server
NVD
EPSS 3% CVSS 6.5
MEDIUM PATCH This Month

When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

Denial Of Service Red Hat Openstack +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

ffjpeg.dll in ffjpeg before 2018-08-22 allows remote attackers to cause a denial of service (FPE signal) via a progressive JPEG file that lacks an AC Huffman table. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Ffjpeg Rockcarry
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because a certain. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Webassembly Virtual Machine Webassembly Virtual Machine Project
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Webassembly Virtual Machine Webassembly Virtual Machine Project
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because of an. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Webassembly Virtual Machine +1
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because of an. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Webassembly Virtual Machine +1
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Webassembly Virtual Machine Webassembly Virtual Machine Project
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because of an. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Webassembly Virtual Machine +1
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because of an. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure +2
NVD GitHub
EPSS 2% CVSS 6.5
MEDIUM POC PATCH This Month

In ImageMagick 7.0.7-29 and earlier, a missing NULL check in ReadOneJNGImage in coders/png.c allows an attacker to cause a denial of service (WriteBlob assertion failure and application exit) via a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Debian +4
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

PHP Scripts Mall Currency Converter Script 2.0.5 allows remote attackers to cause a denial of service (web-interface change) via an inverted comma. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP Denial Of Service Currency Converter Script
NVD
EPSS 2% CVSS 7.5
HIGH This Week

An issue was discovered on KONE Group Controller (KGC) devices before 4.6.5. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Group Controller Firmware Kone
NVD
EPSS 2% CVSS 9.1
CRITICAL POC Act Now

OctoPrint through 1.3.9 allows remote attackers to obtain sensitive information or cause a denial of service via HTTP requests on port 8081. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Information Disclosure Octoprint
NVD GitHub
EPSS 4% CVSS 9.8
CRITICAL POC Act Now

In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with an invalid Via header causes a segmentation fault and crashes Kamailio. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RCE Denial Of Service Null Pointer Dereference +3
NVD
EPSS 1% CVSS 5.5
MEDIUM POC This Month

In Artifex MuPDF 1.13.0, the fz_append_byte function in fitz/buffer.c allows remote attackers to cause a denial of service (segmentation fault) via a crafted pdf file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Mupdf Artifex
NVD
EPSS 1% CVSS 5.5
MEDIUM POC This Month

In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Mupdf +1
NVD
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Quick Facts

Typical Severity
MEDIUM
Category
other
Total CVEs
40243

MITRE ATT&CK

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