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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 (40209)

EPSS 1% CVSS 8.6
HIGH This Week

A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Apple iOS +2
NVD
EPSS 1% CVSS 6.8
MEDIUM This Month

A vulnerability in the implementation of the Resource Public Key Infrastructure (RPKI) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the Border Gateway. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Denial Of Service Apple Cisco +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A vulnerability in the NETCONF over SSH feature of Cisco IOS XE Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service condition (DoS) on an affected. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Apple Cisco +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A vulnerability in Simple Network Management Protocol (SNMP) trap generation for wireless clients of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Integer Overflow Apple +2
NVD
EPSS 1% CVSS 8.6
HIGH This Week

A vulnerability in the Application Visibility and Control (AVC-FNF) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Apple Cisco +1
NVD
EPSS 1% CVSS 8.6
HIGH This Week

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Apple Cisco +1
NVD
EPSS 1% CVSS 7.7
HIGH This Week

A vulnerability in the IPSec decryption routine of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS). Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Apple Cisco +1
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A vulnerability in the AppNav-XE feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Apple Cisco +1
NVD
EPSS 0% CVSS 4.6
MEDIUM This Month

Multiple vulnerabilities that affect Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches could allow an attacker to execute persistent code at boot time or to. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service iOS Cisco
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A vulnerability in IP ingress packet processing of the Cisco Embedded Wireless Controller with Catalyst Access Points Software could allow an unauthenticated, remote attacker to cause the device to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Cisco Aironet Access Point Software
NVD
EPSS 1% CVSS 5.5
MEDIUM POC PATCH This Month

NGINX NJS 0.7.2 was discovered to contain a NULL pointer dereference via the component njs_vmcode_array at /src/njs_vmcode.c. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Nginx +2
NVD GitHub
EPSS 2% CVSS 6.5
MEDIUM POC PATCH This Month

stb_image.h v2.27 was discovered to contain an integer overflow via the function stbi__jpeg_decode_block_prog_dc. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Integer Overflow Debian +5
NVD GitHub
EPSS 16% CVSS 7.5
HIGH PATCH This Week

An issue was discovered in Asterisk through 19.x. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Debian Debian Linux +2
NVD
EPSS 1% CVSS 7.0
HIGH POC This Week

An issue was discovered in Amazon AWS VPN Client 2.0.0. Rated high severity (CVSS 7.0). Public exploit code available and no vendor patch available.

Denial Of Service Amazon Aws Client Vpn
NVD GitHub
EPSS 1% CVSS 7.5
HIGH This Week

An Access of Uninitialized Pointer vulnerability in the SIP ALG of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Memory Corruption Juniper +1
NVD
EPSS 1% CVSS 7.5
HIGH This Week

An Operation on a Resource after Expiration or Release vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Juniper Junos +1
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Juniper Junos +1
NVD
EPSS 1% CVSS 7.5
HIGH This Week

An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Juniper Junos Os Evolved
NVD
EPSS 1% CVSS 7.5
HIGH This Week

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packetIO daemon of Juniper Networks Junos OS Evolved on PTX10003, PTX10004, and PTX10008 allows an unauthenticated,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Juniper Junos Os Evolved
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

An Improper Handling of Unexpected Data Type vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Juniper Junos +1
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

A Denial of Service (DoS) vulnerability in the processing of a flood of specific ARP traffic in Juniper Networks Junos OS on the EX4300 switch, sent from the local broadcast domain, may allow an. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Juniper Junos
NVD
EPSS 1% CVSS 7.5
HIGH POC This Week

An Uncontrolled Memory Allocation vulnerability leading to a Heap-based Buffer Overflow in the packet forwarding engine (PFE) of Juniper Networks Junos OS allows a network-based unauthenticated. 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 Heap Overflow +2
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A vulnerability in Juniper Networks Junos OS on SRX Series, allows a network-based unauthenticated attacker to cause a Denial of Service (DoS) by sending a specific fragmented packet to the device,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Juniper Junos
NVD
EPSS 1% CVSS 7.5
HIGH This Week

An Improper Access Control vulnerability in Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker who is able to connect to a specific open IPv4 port, which in affected. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Juniper Junos Os Evolved
NVD
EPSS 2% CVSS 7.5
HIGH POC This Week

There is an Assertion failure in MariaDB Server v10.9 and below via 'node->pcur->rel_pos == BTR_PCUR_ON' at /row/row0mysql.cc. 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 MariaDB Debian +1
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

Mattermost Playbooks plugin v1.24.0 and earlier fails to properly check the limit on the number of webhooks, which allows authenticated and authorized users to create a specifically drafted Playbook. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Mattermost Playbooks
NVD
EPSS 0% CVSS 6.3
MEDIUM This Month

A use-after-free vulnerability was found in drm_lease_held in drivers/gpu/drm/drm_lease.c in the Linux kernel due to a race problem. Rated medium severity (CVSS 6.3). No vendor patch available.

Denial Of Service Linux Use After Free +4
NVD
EPSS 1% CVSS 5.5
MEDIUM POC This Month

rtl_433 21.12 was discovered to contain a stack overflow in the function acurite_00275rm_decode at /devices/acurite.c. 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 GitHub
EPSS 2% CVSS 7.5
HIGH POC This Week

An issue in the component Used_tables_and_const_cache::used_tables_and_const_cache_join of MariaDB Server v10.7 and below was discovered to allow attackers to cause a Denial of Service (DoS) via. 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 SQLi MariaDB
NVD
EPSS 2% CVSS 7.5
HIGH POC This Week

An issue in the component Item_subselect::init_expr_cache_tracker of MariaDB Server v10.6 and below was discovered to allow attackers to cause a Denial of Service (DoS) via specially crafted SQL. 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 SQLi MariaDB +2
NVD
EPSS 2% CVSS 7.5
HIGH POC This Week

An issue in the component Field::set_default of MariaDB Server v10.6 and below was discovered to allow attackers to cause a Denial of Service (DoS) via specially crafted SQL statements. 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 SQLi MariaDB +2
NVD
EPSS 2% CVSS 7.5
HIGH POC This Week

An issue in the component my_decimal::operator= of MariaDB Server v10.6.3 and below was discovered to allow attackers to cause a Denial of Service (DoS) via specially crafted SQL statements. 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 SQLi MariaDB +2
NVD
EPSS 2% CVSS 7.5
HIGH POC This Week

An issue in the component Arg_comparator::compare_real_fixed of MariaDB Server v10.6.2 and below was discovered to allow attackers to cause a Denial of Service (DoS) via specially crafted SQL. 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 SQLi MariaDB +2
NVD
EPSS 2% CVSS 7.5
HIGH POC This Week

An issue in the component Create_tmp_table::finalize of MariaDB Server v10.7 and below was discovered to allow attackers to cause a Denial of Service (DoS) via specially crafted SQL statements. 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 SQLi MariaDB +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Dell PowerScale OneFS, 8.2,x, 9.1.0.x, 9.2.1.x, and 9.3.0.x contain a denial of service vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Dell Emc Powerscale Onefs
NVD
EPSS 1% CVSS 7.5
HIGH This Week

Due to an uncontrolled recursion in SAP Web Dispatcher and SAP Internet Communication Manager, the application may crash, leading to denial of service, but can be restarted automatically. 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 Netweaver +1
NVD
EPSS 1% CVSS 7.5
HIGH This Week

By overlong input values an attacker may force overwrite of the internal program stack in SAP Web Dispatcher - versions 7.53, 7.77, 7.81, 7.85, 7.86, or Internet Communication Manager - versions. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Stack Overflow +3
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

SAP SQL Anywhere - version 17.0, allows an authenticated attacker to prevent legitimate users from accessing a SQL Anywhere database server by crashing the server with some queries that use indirect. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service SAP Sql Anywhere
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When a user opens a manipulated Universal 3D (.u3d, 3difr.x3d) received from untrusted sources in SAP 3D Visual Enterprise Viewer - version 9.0, the application crashes and becomes temporarily. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service SAP 3D Visual Enterprise Viewer
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When a user opens a manipulated Photoshop Document (.psd, 2d.x3d) received from untrusted sources in SAP 3D Visual Enterprise Viewer - version 9.0, the application crashes and becomes temporarily. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service SAP 3D Visual Enterprise Viewer
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When a user opens a manipulated Portable Document Format (.pdf, PDFView.x3d) received from untrusted sources in SAP 3D Visual Enterprise Viewer - version 9.0, the application crashes and becomes. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service SAP 3D Visual Enterprise Viewer
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When a user opens a manipulated Picture Exchange (.pcx, 2d.x3d) received from untrusted sources in SAP 3D Visual Enterprise Viewer - version 9.0, the application crashes and becomes temporarily. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Microsoft SAP +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When a user opens a manipulated Jupiter Tesselation (.jt, JTReader.x3d) received from untrusted sources in SAP 3D Visual Enterprise Viewer - version 9.0, the application crashes and becomes. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service SAP 3D Visual Enterprise Viewer
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When a user opens a manipulated Computer Graphics Metafile (.cgm, CgmCore.dll) received from untrusted sources in SAP 3D Visual Enterprise Viewer - version 9.0, the application crashes and becomes. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service SAP 3D Visual Enterprise Viewer
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A specially crafted packet sent to the Fernhill SCADA Server Version 3.77 and earlier may cause an exception, causing the server process (FHSvrService.exe) to exit. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Scada Server
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Siemens Scalance W1788 2Ia M12 Firmware +3
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Siemens Scalance W1788 2Ia M12 Firmware +3
NVD
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required.

Denial Of Service Race Condition Siemens +4
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

A vulnerability has been identified in SIMATIC PCS neo (Administration Console) (All versions < V3.1 SP1), SINETPLAN (All versions), TIA Portal (V15, V15.1, V16 and V17). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Siemens Totally Integrated Automation Portal +2
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

A vulnerability has been identified in SCALANCE X302-7 EEC (230V), SCALANCE X302-7 EEC (230V, coated), SCALANCE X302-7 EEC (24V), SCALANCE X302-7 EEC (24V, coated), SCALANCE X302-7 EEC (2x 230V),. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Siemens Scalance Xr324 12M Firmware +22
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP segments where the minimum TCP-Header length is less than defined. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Siemens Simatic S7 1500 Cpu Firmware +11
NVD
EPSS 1% CVSS 7.5
HIGH This Week

In the MZ Automation LibIEC61850 in versions prior to 1.5.1 an unauthenticated attacker can craft a goose message, which may result in a denial of service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Libiec61850 Mz Automation
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

org.cyberneko.html is an html parser written in Java. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Oracle Weblogic Server +1
NVD GitHub
EPSS 4% CVSS 7.5
HIGH PATCH This Week

Nokogiri is an open source XML and HTML library for Ruby. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Apple macOS +5
NVD GitHub
EPSS 0% CVSS 7.0
HIGH This Week

Use after free vulnerability in dsp_context_unload_graph function of DSP driver prior to SMR Apr-2022 Release 1 allows attackers to perform malicious actions. Rated high severity (CVSS 7.0). No vendor patch available.

Denial Of Service Google Android
NVD
EPSS 0% CVSS 3.3
LOW Monitor

Improper boundary check in media.extractor library prior to SMR Apr-2022 Release 1 allows attackers to cause denial of service via a crafted media file. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure +2
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

Improper boundary check in Quram Agif library prior to SMR Apr-2022 Release 1 allows attackers to cause denial of service via crafted image file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Null pointer dereference vulnerability in parser_hvcC function of libsimba library prior to SMR Apr-2022 Release 1 allows out of bounds write by remote attackers. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Google +2
NVD
EPSS 1% CVSS 9.1
CRITICAL Act Now

Null pointer dereference vulnerability in parser_infe function of libsimba library prior to SMR Apr-2022 Release 1 allows out of bounds read by remote attackers. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Google +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Null pointer dereference vulnerability in parser_unknown_property function in libsimba library prior to SMR Apr-2022 Release 1 allows out of bounds write by remote attacker. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Google +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Null pointer dereference vulnerability in parser_ispe function in libsimba library prior to SMR Apr-2022 Release 1 allows out of bounds write by remote attacker. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Google +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Null pointer dereference vulnerability in parser_colr function in libsimba library prior to SMR Apr-2022 Release 1 allows out of bounds write by remote attacker. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Google +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Null pointer dereference vulnerability in parser_auxC function in libsimba library prior to SMR Apr-2022 Release 1 allows out of bounds write by remote attacker. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Google +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Null pointer dereference vulnerability in parser_irot function in libsimba library prior to SMR Apr-2022 Release 1 allows out of bounds write by remote attacker. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Google +2
NVD
EPSS 0% CVSS 6.7
MEDIUM This Month

In mdp, there is a possible memory corruption due to a use after free. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation Buffer Overflow Denial Of Service +4
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

In mdp, there is a possible memory corruption due to a use after free. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation Buffer Overflow Denial Of Service +4
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

A potential buffer overflow vulnerability was identified in some internal functions of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0, which could be exploited by a local authenticated attacker. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Zyxel +32
NVD
EPSS 1% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formAdvanceSetup. 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 Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formWlanWizardSetup. 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 Memory Corruption +2
NVD GitHub
EPSS 3% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formWlanSetup. 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 Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 7.5
HIGH This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formLanguageChange. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +2
NVD
EPSS 1% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formdumpeasysetup. 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 Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formSetWanDhcpplus. 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 Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formSetWanL2TP. 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 Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formSetWanPPTP. 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 Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formSetWanPPPoE. 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 Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formSetWanNonLogin. 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 Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC PATCH This Month

A denial of service vulnerability was found in tildearrow Furnace. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Furnace Tildearrow
NVD GitHub VulDB
EPSS 0% CVSS 5.5
MEDIUM This Month

Dell PowerScale OneFS, versions 8.2.x-9.3.0.x, contains an incorrect default permissions vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation Denial Of Service Dell +1
NVD
EPSS 1% CVSS 5.5
MEDIUM POC PATCH This Month

heap-use-after-free in GitHub repository radareorg/radare2 prior to 5.6.8. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Use After Free Memory Corruption +2
NVD GitHub
EPSS 1% CVSS 5.5
MEDIUM POC PATCH This Month

NULL Pointer Dereference in r_bin_ne_get_entrypoints function in GitHub repository radareorg/radare2 prior to 5.6.8. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Radare2 +1
NVD GitHub
EPSS 0% CVSS 8.8
HIGH POC This Week

libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388. 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 Use After Free Memory Corruption +2
NVD GitHub
EPSS 0% CVSS 8.8
HIGH POC This Week

libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379. 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 Use After Free Memory Corruption +1
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM This Month

ASUS RT-AC86U has improper user request handling, which allows an unauthenticated LAN attacker to cause a denial of service by sending particular request a server-to-client reply attempt. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Rt Ac86U Firmware Asus
NVD
EPSS 1% CVSS 7.1
HIGH This Week

An authenticated, remote attacker can gain access to a dereferenced pointer contained in a request. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Codesys Control For Beaglebone Sl +19
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

An authenticated remote attacker can cause a null pointer dereference in the CmpSettings component of the affected CODESYS products which leads to a crash. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Codesys +20
NVD
EPSS 1% CVSS 5.3
MEDIUM PATCH This Month

SWHKD 1.1.5 allows unsafe parsing via the -c option. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Denial Of Service Swhkd Waycrate
NVD GitHub
EPSS 2% CVSS 9.1
CRITICAL PATCH Act Now

SWHKD 1.1.5 unsafely uses the /tmp/swhkd.sock pathname. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Resource to Wrong Sphere vulnerability could allow attackers to access resources from an unintended security context.

Denial Of Service Information Disclosure Swhkd +1
NVD GitHub
EPSS 0% CVSS 8.1
HIGH This Week

A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an unauthenticated, remote attacker to conduct a cross-site. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service CSRF Cisco +17
NVD
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Quick Facts

Typical Severity
MEDIUM
Category
other
Total CVEs
40209

MITRE ATT&CK

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