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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 (36916)

EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 7.6
HIGH PATCH This Week

Vulnerability in the Oracle Hospitality Simphony product of Oracle Food and Beverage Applications (component: EMC). Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity.

Oracle Authentication Bypass Denial Of Service +1
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 2.7
LOW PATCH Monitor

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Oracle Denial Of Service Mysql Cluster +2
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 4.9
MEDIUM This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Options). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Oracle Denial Of Service Mysql Server +3
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Oracle Denial Of Service Mysql Cluster +4
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Oracle Denial Of Service Mysql Cluster +4
NVD
EPSS 1% CVSS 6.0
MEDIUM PATCH This Month

Vulnerability in the Oracle Financial Services Revenue Management and Billing product of Oracle Financial Services Applications (component: Chatbot). Rated medium severity (CVSS 6.0), this vulnerability is remotely exploitable.

Oracle Authentication Bypass Denial Of Service +1
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

pleezer is a headless Deezer Connect player. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service
NVD GitHub
EPSS 0% CVSS 5.6
MEDIUM This Month

HCL BigFix Web Reports might be subject to a Denial of Service (DoS) attack, due to a potentially weak validation of an API parameter. Rated medium severity (CVSS 5.6), this vulnerability is remotely exploitable. No vendor patch available.

Denial Of Service Bigfix Platform
NVD
EPSS 0% CVSS 6.5
MEDIUM POC This Month

This vulnerability allows any authenticated user to cause the server to consume very large amounts of disk space when extracting a Zip Bomb. 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 Peertube
NVD GitHub
EPSS 0% CVSS 7.5
HIGH POC This Week

The vulnerability allows any attacker to cause the PeerTube server to stop functioning, or in special cases send requests to arbitrary URLs (Blind SSRF). 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.

Memory Corruption SSRF Denial Of Service +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH POC PATCH This Week

This vulnerability allows any attacker to cause the PeerTube server to stop responding to requests due to an infinite loop in the "inbox" endpoint when receiving crafted ActivityPub activities. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Peertube
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM POC This Month

The vulnerability allows any authenticated user to cause the PeerTube server to stop functioning in a persistent manner. 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 Peertube
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

A flaw was found in libsoup, where SoupAuthDigest is vulnerable to a NULL pointer dereference. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Null Pointer Dereference Denial Of Service
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

A flaw was found in libsoup, where soup_auth_digest_authenticate() is vulnerable to a NULL pointer dereference. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

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

A flaw was found in libsoup. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Null Pointer Dereference Denial Of Service
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

A flaw was found in libsoup, where the soup_message_headers_get_content_disposition() function is vulnerable to a NULL pointer dereference. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Null Pointer Dereference Denial Of Service
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

A flaw was found in libsoup. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD
EPSS 1% CVSS 5.3
MEDIUM PATCH This Month

A flaw was found in libsoup. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD
EPSS 0% CVSS 8.4
HIGH PATCH This Week

A heap buffer overflow vulnerability was discovered in Perl. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity.

Buffer Overflow Heap Overflow RCE +4
NVD GitHub
EPSS 0% CVSS 5.3
MEDIUM This Month

A vulnerability has been found in shuanx BurpAPIFinder up to 2.0.2 and classified as problematic. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD GitHub VulDB
EPSS 0% CVSS 6.4
MEDIUM This Month

Processing a file may lead to a denial-of-service or potentially disclose memory contents. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable. No vendor patch available.

Apple Denial Of Service macOS
NVD
EPSS 0% CVSS 8.2
HIGH PATCH This Week

A Stack-based Buffer Overflow vulnerability in SUSE rancher allows for denial of service.8.0 before 2.8.13, from 2.9.0 before 2.9.7, from 2.10.0 before 2.10.3. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Stack Overflow Denial Of Service +1
NVD GitHub
EPSS 0% CVSS 5.1
MEDIUM This Month

A denial-of-service (DoS) vulnerability in Palo Alto Networks Prisma® SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to disrupt the packet. Rated medium severity (CVSS 5.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Paloalto Denial Of Service
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

A null pointer dereference vulnerability in the Palo Alto Networks Cortex® XDR agent on Windows devices allows a low-privileged local Windows user to crash the agent. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.

Microsoft Null Pointer Dereference Paloalto +2
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

IBM QRadar WinCollect Agent 10.0 through 10.1.13 could allow a remote attacker to cause a denial of service by interrupting an HTTP request that could consume memory resources. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

IBM Denial Of Service Qradar Wincollect
NVD
EPSS 0% CVSS 6.2
MEDIUM PATCH This Month

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Suricata Suse
NVD GitHub
EPSS 0% CVSS 6.2
MEDIUM PATCH This Month

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Denial Of Service Suricata Suse
NVD GitHub
EPSS 0% CVSS 6.2
MEDIUM PATCH This Month

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Denial Of Service Suricata Suse
NVD GitHub
EPSS 0% CVSS 9.0
CRITICAL Act Now

In ConnMan through 1.44, the lookup string in ns_resolv in dnsproxy.c can be NULL or an empty string when the TC (Truncated) bit is set in a DNS response. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

RCE Denial Of Service
NVD
EPSS 0% CVSS 5.6
MEDIUM PATCH This Month

In SQLite 3.49.0 before 3.49.1, certain argument values to sqlite3_db_config (in the C-language API) can cause a denial of service (application crash). Rated medium severity (CVSS 5.6), this vulnerability is no authentication required. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.

Integer Overflow Denial Of Service Sqlite +2
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM This Month

A Denial of Service (DoS) issue has been discovered in GitLab CE/EE affecting all up to 17.8.7, 17.9 prior to 17.9.6 and 17.10 prior to 17.10.4 A denial of service could occur upon injecting. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Gitlab Denial Of Service
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

A potential security vulnerability in HPE NonStop OSM Service Connection Suite could potentially be exploited to allow a local Denial of Service. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service
NVD
EPSS 0% CVSS 6.5
MEDIUM POC This Month

The WP-GeSHi-Highlight - rock-solid syntax highlighting for 259 languages WordPress plugin through 1.4.3 processes user-supplied input as a regular expression via the wp_geshi_filter_replace_code(). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

WordPress Denial Of Service Wp Geshi Highlight
NVD WPScan
EPSS 0% CVSS 5.3
MEDIUM This Month

Dell PowerScale OneFS, versions 9.5.0.0 through 9.10.0.0, contains an uncontrolled resource consumption vulnerability. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Dell Denial Of Service Powerscale Onefs
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

Dell PowerScale OneFS, versions 9.4.0.0 through 9.10.0.1, contains an integer overflow or wraparound vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Integer Overflow Dell Denial Of Service +1
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Helm is a tool for managing Charts. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Denial Of Service Helm Red Hat +1
NVD GitHub
EPSS 0% CVSS 8.7
HIGH This Week

An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos
NVD
EPSS 0% CVSS 6.9
MEDIUM This Month

An Improper Encoding or Escaping of Output vulnerability in the Sampling Route Record Daemon (SRRD) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos
NVD
EPSS 0% CVSS 6.8
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 a local, low-privileged attacker to. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos +1
NVD
EPSS 0% CVSS 6.0
MEDIUM This Month

An Expired Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service. Rated medium severity (CVSS 6.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos +1
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

An Improper Handling of Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker executing a CLI. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos +1
NVD VulDB
EPSS 0% CVSS 8.7
HIGH This Week

A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos +1
NVD
EPSS 0% CVSS 8.7
HIGH This Week

An Improper Input Validation vulnerability in the syslog stream TCP transport of Juniper Networks Junos OS on MX240, MX480 and MX960 devices with MX-SPC3 Security Services Card allows an. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos
NVD
EPSS 0% CVSS 7.1
HIGH This Week

An Improper Input Validation vulnerability in the Juniper DHCP Daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause the jdhcpd. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos +1
NVD
EPSS 0% CVSS 7.1
HIGH This Week

A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos
NVD
EPSS 0% CVSS 7.1
HIGH This Week

A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon (l2cpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos +1
NVD
EPSS 0% CVSS 8.7
HIGH This Week

A NULL Pointer Dereference vulnerability in the flow daemon (flowd) of Juniper Networks Junos OS on SRX Series allows an attacker causing specific, valid control traffic to be sent out of a. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Null Pointer Dereference Juniper Denial Of Service +1
NVD
EPSS 0% CVSS 7.7
HIGH This Week

A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator (FPC) of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k. Rated high severity (CVSS 7.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Juniper Buffer Overflow Heap Overflow +3
NVD VulDB
EPSS 0% CVSS 8.7
HIGH This Week

An Improper Following of Specification by Caller vulnerability in web management (J-Web, Captive Portal, 802.1X, Juniper Secure Connect (JSC) of Juniper Networks Junos OS on SRX Series, EX Series,. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos
NVD
EPSS 0% CVSS 6.0
MEDIUM This Month

An Improper Check for Unusual or Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, logically adjacent. Rated medium severity (CVSS 6.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos +1
NVD
EPSS 0% CVSS 7.1
HIGH This Week

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos +1
NVD
EPSS 0% CVSS 8.7
HIGH This Week

An Improper Check for Unusual or Exceptional Conditions vulnerability in the pfe (packet forwarding engine) of Juniper Networks Junos OS on MX Series causes a port within a pool to be blocked leading. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Juniper Denial Of Service Junos
NVD
EPSS 0% CVSS 7.1
HIGH This Week

A Buffer Access with Incorrect Length Value vulnerability in the jdhcpd daemon of Juniper Networks Junos OS, when DHCP snooping is enabled, allows an unauthenticated, adjacent, attacker to send a. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

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

Allocation of Resources Without Limits or Throttling, Incorrect Authorization vulnerability in Drupal WEB-T allows Excessive Allocation, Content Spoofing.0.0 before 1.1.0. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Web T Drupal
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

XGrammar is an open-source library for efficient, flexible, and portable structured generation. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Denial Of Service Xgrammar Red Hat
NVD GitHub
EPSS 1% CVSS 7.5
HIGH PATCH This Week

The Apollo Router Core is a configurable, high-performance graph router written in Rust to run a federated supergraph that uses Apollo Federation 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
NVD GitHub
EPSS 0% CVSS 5.9
MEDIUM This Month

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Microsoft Denial Of Service Dotnetnuke
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM This Month

Adobe Framemaker versions 2020.8, 2022.6 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Null Pointer Dereference Adobe Denial Of Service +1
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

Adobe Framemaker versions 2020.8, 2022.6 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Null Pointer Dereference Adobe Denial Of Service +1
NVD
EPSS 0% CVSS 7.8
HIGH POC KEV THREAT Act Now

Windows Common Log File System Driver contains a use-after-free enabling local privilege escalation, exploited in the wild in April 2025. CLFS driver vulnerabilities have become a recurring Windows kernel exploit target.

Use After Free Memory Corruption Microsoft +17
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +2
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +5
NVD
EPSS 1% CVSS 7.3
HIGH This Week

Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +4
NVD
EPSS 1% CVSS 7.8
HIGH POC This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Use After Free Memory Corruption Microsoft +6
NVD Exploit-DB
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +5
NVD
EPSS 1% CVSS 7.8
HIGH This Month

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +4
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +4
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Denial Of Service 365 Apps +5
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +6
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +4
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Microsoft Denial Of Service Windows 10 1809 +9
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Windows Shell allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +8
NVD
EPSS 0% CVSS 7.1
HIGH This Week

Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable. No vendor patch available.

Use After Free Memory Corruption Microsoft +15
NVD
EPSS 33% CVSS 7.5
HIGH Act Now

Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 33.1% and no vendor patch available.

Microsoft Denial Of Service Windows Server 2012 +5
NVD
EPSS 33% CVSS 7.5
HIGH Act Now

Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 33.1% and no vendor patch available.

Microsoft Denial Of Service Windows Server 2012 +5
NVD
EPSS 1% CVSS 8.1
HIGH This Week

Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Use After Free Memory Corruption Denial Of Service +7
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +11
NVD
EPSS 42% CVSS 7.5
HIGH Act Now

Uncontrolled resource consumption in Windows HTTP.sys allows an unauthorized attacker to deny service over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 42.4% and no vendor patch available.

Microsoft Denial Of Service Windows 10 1507 +15
NVD
EPSS 39% CVSS 7.5
HIGH Act Now

Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 39.5% and no vendor patch available.

Microsoft Denial Of Service Windows Server 2012 +5
NVD
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Quick Facts

Typical Severity
MEDIUM
Category
other
Total CVEs
36916

MITRE ATT&CK

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