The vulnerability in the Transformers/commands/chat.py script of the library allows a hacker to trigger a service failure.

The vulnerability in the Transformers/commands/chat.py library’s script is related to the use of a regular expression with inefficient computational complexity when processing the variable SETTINGRE. Exploiting this vulnerability could allow a malicious actor to cause service failures...

CVE-2026-33418: Incorrect Regular Expression

DiceBear is an avatar library for designers and developers. Prior to version 9.4.2, the ensureSize function in @dicebear/converter used a regex-based approach to rewrite SVG width/height attributes, capping them at 2048px to prevent denial of service. This size capping could be bypassed by crafti...

The vulnerability of the get_imports() function in the Transformers library allows a hacker to trigger a service failure.

The vulnerability of the getimports function in the Transformers library is related to the use of a regular expression with inefficient computational complexity. Exploiting this vulnerability could allow an attacker to cause service failures...

CVE-2026-33169 Rails Active Support has a possible ReDoS vulnerability in number_to_delimited

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. NumberToDelimitedConverter uses a lookahead-based regular expression with gsub! to insert thousands delimiters. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, the interaction between th...

GHSA-CG4J-Q9V8-6V38 Rails Active Support has a possible ReDoS vulnerability in number_to_delimited

Impact NumberToDelimitedConverter used a regular expression with gsub! to insert thousands delimiters. This could produce quadratic time complexity on long digit strings. Releases The fixed releases are available at the normal locations. Credit This issue was responsibly reported by Hackerone...

CVE-2026-4539

A flaw was found in pygments. A local user can exploit this vulnerability by providing specially crafted input to the AdlLexer function, which leads to inefficient regular expression processing. This can result in a Denial of Service DoS, making the application unresponsive...

Rails 安全漏洞

Rails is an open-source web application framework based on the Ruby language, developed by the Rails team in the United States. Vulnerabilities exist in versions of Rails prior to 8.1.2.1, 8.0.4.1, and 7.2.3.1. These vulnerabilities stem from a problem with regular expressions that involves...

PT-2026-28173

Name of the Vulnerable Software and Affected Versions Picomatch versions prior to 4.0.4 Picomatch versions prior to 3.0.2 Picomatch versions prior to 2.3.2 Description Picomatch, a JavaScript glob matcher, contains a flaw where specially crafted POSIX bracket expressions, such as :constructor:, c...

Python -- configparser vulnerable to excessive CPU use

Stan Ulbrych reports: configparser.RawConfigParser.OPTCRE,OPTCRENV regexes are vulnerable to quadratic backtracking...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the AdlLexer class in the archetype.py file. A user can cause excessive resource consumption. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

CVE-2026-4539 pygments archetype.py AdlLexer redos

A security flaw has been discovered in pygments up to 2.19.2. The impacted element is the function AdlLexer of the file pygments/lexers/archetype.py. The manipulation results in inefficient regular expression complexity. The attack is only possible with local access. The exploit has been released...

CVE-2026-4539

CVE-2026-4539 affects the Pygments project, specifically the AdlLexer in pygments/lexers/archetype.py up to version 2.19.2. The issue stems from an inefficient regular expression construct in the AdlLexer, enabling a local-access DoS/slowdown scenario. Publicly released exploit material exists, a...

CVE-2026-4539: Inefficient Regular Expression Complexity

A security flaw has been discovered in pygments up to 2.19.2. The impacted element is the function AdlLexer of the file pygments/lexers/archetype.py. The manipulation results in inefficient regular expression complexity. The attack is only possible with local access. The exploit has been released...

CVE-2026-2430 Autoptimize <= 3.1.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Lazy-loaded Image Attributes

The Autoptimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the lazy-loading image processing in all versions up to, and including, 3.1.14. This is due to the use of an overly permissive regular expression in the addlazyload function that replaces all occurrences of \ssr...

Regular Expression Denial Of Service (ReDoS)

Valibot is vulnerable to Regular Expression Denial of Service ReDoS. The vulnerability is due to inefficient processing in the EMOJIREGEX used by the emoji action, which allows an attacker to supply a crafted input that triggers excessive CPU consumption and causes a denial of service...

BIT-PARSE-2026-32770 Parse Server: LiveQuery subscription with invalid regular expression crashes server

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0 and 8.6.43, a remote attacker can crash the Parse Server by subscribing to a LiveQuery with an invalid regular expression pattern. The server process terminates when the invalid...

The vulnerability of the Git-based software platform for collaborative code development on GitLab is related to the use of a regular expression with inefficient computational complexity, which allows attackers to trigger service interruptions.

The vulnerability of the Git-based software platform for collaborative code development on GitLab is related to the use of a regular expression with inefficient computational complexity. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause service interruptions...

CVE-2026-30873 OpenWrt Project jsonpath: Memory leak when processing strings, labels, and regexp tokens

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to both 24.10.6 and 25.12.1, the jpgettoken function, which performs lexical analysis by breaking input expressions into tokens, contains a memory leak vulnerability when extracting string literals, field...

CVE-2026-30873

CVE-2026-30873 affects OpenWrt Project’s jsonpath component, specifically the jp_get_token function used during lexical analysis. In OpenWrt releases prior to 24.10.6 and 25.12.1, memory allocated for strings, field labels, and regular expressions is copied to a new jp_opcode object without freei...

CVE-2026-30873 OpenWrt Project jsonpath: Memory leak when processing strings, labels, and regexp tokens

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to both 24.10.6 and 25.12.1, the jpgettoken function, which performs lexical analysis by breaking input expressions into tokens, contains a memory leak vulnerability when extracting string literals, field...