Astra Linux – Vulnerability found in Python 3.11, Python 2.7, Python 3.7, and Pypy

There is a medium-severity vulnerability affecting CPython. Regular expressions that allow excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS through specifically crafted tar archives...

EUVD-2026-54256

pymdown-extensions: exponential-backtracking ReDoS in caret, tilde, betterem, and magiclink inline processors...

CVE-2026-66062

SvelteKit before 2.70.2 uses a content-negotiation header parser that employs a regular expression vulnerable to quadratic backtracking. A crafted Accept header can cause excessive CPU use, leading to degraded performance or denial of service. The issue is fixed in 2.70.2. No exploitation details...

CVE-2026-67422

pymdown-extensions is a collection of extensions for the Python Markdown library. In versions up to and including 11.0, four inline processors caret, tilde, betterem, and magiclink use regular expressions whose content groups can partition a run of delimiter characters in exponentially many ways,...

CVE-2026-71190

In OpenStack Swift through 2.38.0, the proxy server Accept header parser contains a regular expression vulnerable to catastrophic backtracking ReDoS. The "qdtext" pattern ?:^"|\. allows an unauthenticated remote attacker to send a crafted Accept header that causes exponential CPU consumption in...

Security Bulletin:Catastrophic Backtracking Vulnerability in path-to-regexp with Three or More Parameters

Summary Impact: A bad regular expression is generated any time you have three or more parameters within a single segment, separated by something that is not a period .. For example, /:a-:b-:c or /:a-:b-:c-:d. The backtrack protection added in [email protected] only prevents ambiguity for two...

Security Bulletin: Multiple Vulnerabilities in IBM Event Streams

Summary Multiple vulnerabilities were addressed in IBM Event Streams version 13.0.0 Vulnerability Details CVEID:CVE-2026-4867 DESCRIPTION: Impact: A bad regular expression is generated any time you have three or more parameters within a single segment, separated by something that is not a period...

CVE-2026-62237 Grav < 2.0.4 ReDoS via regex_replace in Sandbox

Grav before 2.0.4 contains a regular expression denial of service ReDoS vulnerability in the regexreplace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, disabled by default, an...

UBUNTU-CVE-2026-49477

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

CVE-2026-48125

UAParser.js is a JavaScript library to detect browsers, operating systems, CPUs, and devices from user-agent data. From 2.0.1 until 2.0.10, a regular expression denial-of-service vulnerability exists when using the Client Hints API. By sending a crafted Sec-CH-UA-Model header to an application th...

CVE-2025-71379 vllm - Regular Expression Denial of Service in Multiple Components

vLLM versions = 0.6.3 and 0.9.0 contain multiple regular expression denial of service ReDoS vulnerabilities. Several regex patterns — in vllm/lora/utils.py, the phi4mini tool parser, and the OpenAI-compatible serving chat endpoint — are susceptible to catastrophic backtracking. An attacker...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the matches, matchesFull, and replaceMatches functions in the FHIRPathEngine. An attacker can exhaust system resources and cause service disruption by submitting specially crafted regular...

CVE-2026-4923

Impact: When using multiple wildcards, combined with at least one parameter, a regular expression can be generated that is vulnerable to ReDoS. This backtracking vulnerability requires the second wildcard to be somewhere other than the end of the path. Unsafe examples: /foo-bar-:baz /a-:b-c-:d...

CVE-2026-4867

Impact: A bad regular expression is generated any time you have three or more parameters within a single segment, separated by something that is not a period .. For example, /:a-:b-:c or /:a-:b-:c-:d. The backtrack protection added in [email protected] only prevents ambiguity for two...

EUVD-2019-0035

Malware in sbrugna...

CVE-2025-4690

CVE-2025-4690 concerns the regular expression used by AngularJS’ ngSanitize/filter/linky to detect URLs. The underlying regex is vulnerable to super-linear runtime due to backtracking, enabling a Regular Expression Denial of Service (ReDoS) attack when fed large crafted inputs. The issue affects ...

CVE-2025-4690 AngularJS 'linky' filter ReDoS

A regular expression used by AngularJS' linky https://docs.angularjs.org/api/ngSanitize/filter/linky filter to detect URLs in input text is vulnerable to super-linear runtime due to backtracking. With a large carefully-crafted input, this can cause a Regular expression Denial of Service ReDoS...

PT-2025-33727 · Google · Angularjs

Name of the Vulnerable Software and Affected Versions: AngularJS affected versions not specified Description: A regular expression used by the AngularJS linky filter to detect URLs in input text is vulnerable to super-linear runtime due to backtracking, potentially leading to a Regular expression...

Security Bulletin: IBM Decision Optimization for Cloud Pak for Data is vulnerable to backtracking (CVE-2024-52798)

Summary There is a vulnerability in path-to-regexp used by IBM Decision Optimization for IBM Cloud Pak for Data. IBM Decision Optimization for IBM Cloud Pak for Data has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2024-52798 DESCRIPTION: path-to-regexp turns path strings into a...

CLSA-2025-1740230077 Fix CVE(s): CVE-2024-6232, CVE-2024-6923

SECURITY UPDATE: Regular expressions that allowed excessive backtracking during tarfile header parsing - debian/patches/CVE-2024-6232.patch: Fix header parsing vulnerability that could lead to ReDoS - CVE-2024-6923...