CVE-2026-23956

CVE-2026-23956 concerns the seroval JavaScript value-stringification library. A flaw in RegExp serialization during deserialization allows memory exhaustion and, in some cases, Regular Expression Denial of Service (ReDoS). Affected versions are 1.4.0 and below; the issue is fixed in 1.4.1. Public...

seroval affected by Denial of Service via RegExp serialization

Overriding RegExp serialization with extremely large patterns can exhaust JavaScript runtime memory during deserialization. Additionally, overriding RegExp serialization with patterns that trigger catastrophic backtracking can lead to ReDoS Regular Expression Denial of Service. Mitigation: Serova...

EUVD-2026-0800

Anthropic's MCP TypeScript SDK versions up to and including 1.25.1 contain a regular expression denial of service ReDoS vulnerability in the UriTemplate class when processing RFC 6570 exploded array patterns. The dynamically generated regular expression used during URI matching contains nested...

Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2020-8492)

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service ReDoS attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking. This plugin...

EUVD-2018-21603

Malware in sbrugna...

EUVD-2025-25177

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2023-22792

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A regular expression based DoS vulnerability in Action Dispatch 6.0.6.1, 6.1.7.1, and 7.0.4.1. Specially crafted cookies, in combination with a specially crafte...

Regular Expression Denial Of Service (ReDoS)

calibreweb is vulnerable to Regular Expression Denial of Service ReDoS. The vulnerability is due to inefficient regular expression processing because the stripwhitespaces function allows catastrophic backtracking when processing a specially crafted username parameter during login...

Regular Expression Denial of Service (ReDoS)

Overview transformers is a State-of-the-art Machine Learning for JAX, PyTorch and TensorFlow Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the converttfweightnametoptweightname function. An attacker can cause excessive CPU consumption and disru...

CVE-2021-39917

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.9 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression related to quick actions features was susceptible to catastrophic backtracking...

CVE-2024-52798

path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be exploited to cause poor performance. The regular expression that is vulnerable to backtracking can be generated in the 0.1.x release of path-to-regexp. Upgra...

USN-7040-2 configobj vulnerability

USN-7040-1 fixed a vulnerability in ConfigObj. This update provides the corresponding update for Ubuntu 14.04 LTS. Original advisory details: It was discovered that ConfigObj contains regex that is susceptible to catastrophic backtracking. An attacker could possibly use this issue to cause a...

python: cpython: tarfile: ReDos via excessive backtracking while parsing header values

A regular expression denial of service ReDos vulnerability was found in Python's tarfile module. Due to excessive backtracking while tarfile parses headers, an attacker may be able to trigger a denial of service via a specially crafted tar archive...

Regular Expression Denial of Service (ReDoS)

Overview angular is a package that lets you write client-side web applications as if you had a smarter browser. It also lets you use HTML as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly. Affected versions of this package...

python-django: Denial-of-service possibility in django.utils.text.Truncator

An inefficient regular expression complexity was found in Django. The text truncator regular expressions exhibit linear backtracking complexity, which can be slow, leading to a potential denial of service, given certain HTML inputs...

OESA-2023-1722 python-django security update

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Security Fixes: An inefficient regular expression complexity was found in Django. The text truncator regular expressions exhibit linear backtracking complexity, which can be slow, leading to...

SUSE CVE-2023-26116

Versions of the package angular from 1.2.21 are vulnerable to Regular Expression Denial of Service ReDoS via the angular.copy utility function due to the usage of an insecure regular expression. Exploiting this vulnerability is possible by a large carefully-crafted input, which can result in...

ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

GHSA-RRRM-QJM4-V8HF Inefficient Regular Expression Complexity in marked

Impact What kind of vulnerability is it? Denial of service. The regular expression block.def may cause catastrophic backtracking against some strings. PoC is the following. javascript import as marked from "marked"; marked.parsex:$' '.repeat1500x $' '.repeat1500 x; Who is impacted? Anyone who run...

DEBIAN-CVE-2022-21681

Marked is a markdown parser and compiler. Prior to version 4.0.10, the regular expression inline.reflinkSearch may cause catastrophic backtracking against some strings and lead to a denial of service DoS. Anyone who runs untrusted markdown through a vulnerable version of marked and does not use a...