Regular Expression Denial Of Service (ReDoS)

@fedify/fedify is vulnerable to Regular Expression Denial of Service ReDoS. The vulnerability is due to nested quantifiers in the HTML parsing regex within the document loader, which allows an attacker to trigger catastrophic backtracking by sending specially crafted HTML responses...

GitLab CE/EE 安全漏洞

GitLab Enterprise Edition EE and GitLab Community Edition CE are both products of the American company GitLab. GitLab Enterprise Edition is a content management system. GitLab Community Edition is a community version of GitLab. Versions of GitLab CE/EE prior to 18.7.5, 18.8.5, and 18.9.1 containe...

PT-2026-21994

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 9.2 through 18.7.4 GitLab CE/EE versions 18.8 through 18.8.4 GitLab CE/EE versions 18.9 through 18.9.0 Description An unauthenticated user could potentially cause a denial of service by sending specially crafted input to ...

Security Bulletin: MongoDB Enterprised Advanced affected by: Inefficient Regular Expression Complexity (CVE-2025-27789)

Summary There are vulnerabilities in helpers-7.21.5.tgz, helpers-7.22.6.tgz, helpers-7.25.0.tgz, runtime-7.21.0.tgz, runtime-7.22.10.tgz, runtime-7.23.2.tgz used in MongoDB Enterprised Advanced for IBM, involving CVE-2025-27789. The vulnerabilities have been addressed. Vulnerability Details...

CVE-2025-15386 Responsive Lightbox & Gallery < 2.6.1 - Unauthenticated Stored XSS

The Responsive Lightbox & Gallery WordPress plugin before 2.6.1 is vulnerable to an Unauthenticated Stored-XSS attack due to flawed regex replacement rules that can be abused by posting a comment with a malicious link when lightbox for comments are enabled and then approved...

EUVD-2026-7398

Pimcore is an Open Source Data & Experience Management Platform. In versions up to and including 11.5.14.1 and 12.3.2, the filter query parameter in the dependency listing endpoints is JSON-decoded and the value field is concatenated directly into RLIKE clauses without sanitization or parameteriz...

Regular Expression Denial of Service Induced by Backreferences

This paper presents the first systematic study of denial-of-service vulnerabilities in Regular Expressions with Backreferences REwB. We introduce the Two-Phase Memory Automaton 2PMFA, an automaton model that precisely captures REwB semantics. Using this model, we derive necessary conditions under...

WordPress plugin Responsive Lightbox & Gallery 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be install...

PT-2026-21665

Name of the Vulnerable Software and Affected Versions Responsive Lightbox & Gallery WordPress plugin versions prior to 2.6.1 Description The software contains a flaw in its regex replacement rules that allows for an Unauthenticated Stored-XSS attack. This occurs when a malicious link is posted as...

USN-8051-2 libssh vulnerabilities

USN-8051-1 fixed vulnerabilities in libssh. This update provides the corresponding updates for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that libssh clients incorrectly handled the key exchange process. A remote attacker could possibly...

regexss

regexss Overly-greedy regex r...

SUSE CVE-2026-26996

minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Versions 10.2.0 and below are vulnerable to Regular Expression Denial of Service ReDoS when a glob pattern contains many consecutive wildcards followed by a literal character that doesn't appea...

CVE-2026-25896

CVE-2026-25896 affects the Node.js XML parser fast-xml-parser. From 4.1.3 up to (but not including) 5.3.5, a dot in a DOCTYPE entity name is treated as a regex wildcard during entity replacement, allowing shadowing of built-in entities and bypassing encoding, which can lead to XSS when parsed out...

CVE-2026-25896 fast-xml-parser has an entity encoding bypass via regex injection in DOCTYPE entity names

fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based libraries and no callback. From 4.1.3to before 5.3.5, a dot . in a DOCTYPE entity name is treated as a regex wildcard during entity replacement, allowing an attacker to shadow...

CVE-2026-25896 fast-xml-parser has an entity encoding bypass via regex injection in DOCTYPE entity names

fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based libraries and no callback. From 4.1.3to before 5.3.5, a dot . in a DOCTYPE entity name is treated as a regex wildcard during entity replacement, allowing an attacker to shadow...

10up-toolkit (>=6.0.0-next.0, <=7.0.0-next.1), @0ti.me/ts-test-deps (0.2.0) +6554 more potentially affected by CVE-2026-26996 via minimatch (>=9.0.0, <=9.0.5)

minimatch NPM version =9.0.0, =6.0.0-next.0, =1.1.0-pre.1, =1.4.0, =9.1.0, =1.17.3-testing-284.48.0, =1.0.0, =1.1.6, =0.0.0-alpha.1011313d2aaf, =1.1.3, =1.0.6, =1.0.25 and more Source cves: CVE-2026-26996 Source advisory: OSV:GHSA-3PPC-4F35-3M26...

-tompan-reacttemplate (>=1.0.1, <=1.1.0), 02.aula (1.0.0) +55771 more potentially affected by CVE-2026-26996 via minimatch (>=3.0.0, <=3.1.2)

minimatch NPM version =3.0.0, =1.0.1, =1.1.0 - 02.aula 1.0.0 - 0726react 0.1.1 - 08cms 1.0.0 - 0x0.icu.anima 0.1.0 - 0xgank-tea-advice-pull 1.0.0 - 0xgank-tea-balance-pencil 1.0.0 - 0xgank-tea-brick-bell 1.0.0 - 0xgank-tea-cake-victory 1.0.0 - 0xgank-tea-central-compound 1.0.0 -...

UBUNTU-CVE-2026-0967

A flaw was found in libssh. A remote attacker, by controlling client configuration files or knownhosts files, could craft specific hostnames that when processed by the matchpattern function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion,...

OPENSUSE-SU-2026:20204-1 Security update for python-aiohttp, python-Brotli

This update for python-aiohttp, python-Brotli fixes the following issues: Changes in python-aiohttp: - CVE-2025-69228: Fixed denial of service through large payloads bsc1256022. - CVE-2025-69226: Fixed brute-force leak of internal static file path components bsc1256020. - CVE-2025-69224: Fixed...

GHSA-38C4-R59V-3VQW markdown-it is has a Regular Expression Denial of Service (ReDoS)

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...