CVE-2026-55470 HAPI FHIR: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, the fix for CVE-2026-45367 incompletely patched the DSTU2 module, leaving FHIRPathEngine.matches in org.hl7.fhir.dstu2/utils/FHIRPathEngine.java to call raw String.matchessw...

EUVD-2026-42440

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, the fix for CVE-2026-45367 incompletely patched the DSTU2 module, leaving FHIRPathEngine.matches in org.hl7.fhir.dstu2/utils/FHIRPathEngine.java to call raw String.matchessw...

CVE-2026-14895

String::Util versions before 1.36 for Perl are susceptible to a regular expression denial of service. The trim and rtrim functions stripped trailing whitespace with s/\s$//u. Because \s matches greedily and the $ anchor fails whenever a non-whitespace character follows the whitespace, the regex...

PYSEC-2026-1359 fastapi-guard is vulnerable to ReDoS through inefficient regex

Summary fastapi-guard detects penetration attempts by using regex patterns to scan incoming requests. However, some of the regex patterns used in detection are extremely inefficient and can cause polynomial complexity backtracks when handling specially crafted inputs. It is not as severe as...

PT-2026-56275

Name of the Vulnerable Software and Affected Versions String::Util versions prior to 1.36 Description String::Util for Perl is susceptible to a regular expression denial of service. The trim and rtrim functions use a regular expression to strip trailing whitespace. Because the s pattern matches...

SUSE CVE-2026-44496

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who...

Regular Expression Denial of Service (ReDoS)

Overview org.webjars.npm:jsonata is a JSON query and transformation language Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the $toMillis function. An attacker can cause resource exhaustion by providing specially crafted inputs that trigger...

soupsieve: Soupsieve: Denial of Service via crafted CSS selector strings

A flaw was found in soupsieve, a CSS selector library. This vulnerability allows a remote attacker to cause a Denial of Service DoS by supplying specially crafted, untrusted CSS selector strings. The flaw occurs due to a regular expression vulnerable to catastrophic backtracking when processing a...

CVE-2026-45617 LiquidJS: ReDoS via Quadratic Backtracking in `strip_html` Filter Regex

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. In versions 10.25.7 and below, the built-in striphtml filter uses a regex containing four flawed lazy-quantified alternatives, leading to ReDoS via quadratic backtracking. When the input contains many script...

GHSA-FXJ4-P9XP-37V5 HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS

Summary The fix for CVE-2026-45367 added RegexTimeout protection to the matches function in DSTU2016MAY, DSTU3, R4, R4B, and R5, but the DSTU2 module was incompletely patched. In org.hl7.fhir.dstu2, replaceMatches was updated while matches at line 2462 still calls the raw String.matchessw without...

GHSA-9H5V-PFQQ-X599 UAParser.js: Unbounded `Sec-CH-UA-Model` parsing can trigger ReDoS in `withClientHints()`

Summary A regular expression denial-of-service ReDoS vulnerability has been discovered in ua-parser-js when using the Client Hints API. By sending a crafted Sec-CH-UA-Model header to an application that calls UAParserheaders.withClientHints, an attacker can cause the parser to spend excessive CPU...

CVE-2026-47138 Parse Server: Pre-authentication denial of service via client version header regex backtracking

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.77 and 9.9.1-alpha.1, an unauthenticated attacker who knows a publicly-known Parse Application ID can submit a single HTTP request whose client SDK version field contains...

CVE-2026-47138

CVE-2026-47138 : Parse Server suffers pre-authentication DoS via adversarial client version header input causing polynomial backtracking in the request-header parser. Affected before fixes in versions up to 8.6.76/9.9.0-alpha.1; patched in 8.6.77 and 9.9.1-alpha.1. An unauthenticated attacker wit...

CVE-2026-47138 Parse Server: Pre-authentication denial of service via client version header regex backtracking

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.77 and 9.9.1-alpha.1, an unauthenticated attacker who knows a publicly-known Parse Application ID can submit a single HTTP request whose client SDK version field contains...

Linux Distros Unpatched Vulnerability : CVE-2026-44496

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular...

DEBIAN-CVE-2026-44496

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who...

CVE-2026-44496

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who...

UBUNTU-CVE-2026-44496

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who...

CVE-2026-44496

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who...

CVE-2026-44496

CVE-2026-44496 affects Axios in browser environments where Axios reads document.cookie. Versions before 0.32.0 (0.x branch) and before 1.16.0 (1.x branch) build a regex from the configured XSRF cookie name without escaping regex metacharacters, enabling expensive regex backtracking and potential ...