CLSA-2026-1791278836 TuxCare security update for postcss-selector-parser (1 CVE)

TuxCare rebuilt postcss-selector-parser to address 1 CVE. Fixed in 3.1.2-tuxcare.1...

PT-2026-115932

TuxCare rebuilt postcss-selector-parser to address 1 CVE. Fixed in 3.1.2-tuxcare.1...

NPM: PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion

NPM: PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion vulnerability discovered by ? in WordPress Npm postcss-selector-parser versions 7.1.6...

PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion

Impact . and are not word delimiters in the tokenizer, so a flat selector such as .a.a.a... reaches splitWord as a single word token carrying n class or id indexes. Three passes scanned those index arrays linearly for every index, making the parse On^2 in the number of indexes rather than in inpu...

EUVD-2026-91741

PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion...

@1stg/app-config (>=10.0.0, <=15.0.0), @1stg/common-config (>=10.0.0, <=15.0.0) +479 more potentially affected by CVE-2026-104844 via postcss-selector-parser (>=7.0.0, <=7.1.5)

postcss-selector-parser NPM version =7.0.0, =10.0.0, =10.0.0, =8.1.0, =13.0.0, =0.1.0-dev25004766367, =0.7.0-rohit-magnitude-valuetext.1, =1.0.3, =1.11.1, =1.11.1, =1.11.1, =1.12.0, =1.11.1, =1.11.1, =1.11.1, =1.11.1, =1.55.8 and more Source cves: CVE-2026-104844 Source advisory: GHSA-RJ75-HQRM-R...

@1stg/app-config (>=10.0.0, <=15.0.0), @1stg/common-config (>=10.0.0, <=15.0.0) +479 more potentially affected by CVE-2026-104844 via postcss-selector-parser (>=7.0.0, <=7.1.5)

postcss-selector-parser NPM version =7.0.0, =10.0.0, =10.0.0, =8.1.0, =13.0.0, =0.1.0-dev25004766367, =0.7.0-rohit-magnitude-valuetext.1, =1.0.3, =1.11.1, =1.11.1, =1.11.1, =1.12.0, =1.11.1, =1.11.1, =1.11.1, =1.11.1, =1.55.8 and more Source cves: CVE-2026-104844 Source advisory:...

GHSA-RJ75-HQRM-R3GF PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion

Impact . and are not word delimiters in the tokenizer, so a flat selector such as .a.a.a... reaches splitWord as a single word token carrying n class or id indexes. Three passes scanned those index arrays linearly for every index, making the parse On^2 in the number of indexes rather than in inpu...

SUSE CVE-2026-104844

PostCSS Selector Parser is a CSS selector parser that integrates with PostCSS but does not require it. Prior to 7.1.6, src/parser.js splitWord can receive a flat selector as one word token carrying many class or ID indexes because period and hash characters are not tokenizer word delimiters. The...

MAL-2026-17518 Malicious code in postcss-gap-fallback-util (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 5b54d5bd893bc377a77503059998e01ae3e338fd4d8ddac6fe2d7c71a3157cb5 The package is published as a PostCSS gap fallback utility but ships thunderboltRegistry.js, which executes an IIFE on module load. The IIFE runs...

Malicious code in postcss-gap-fallback-util (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 5b54d5bd893bc377a77503059998e01ae3e338fd4d8ddac6fe2d7c71a3157cb5 The package is published as a PostCSS gap fallback utility but ships thunderboltRegistry.js, which executes an IIFE on module load. The IIFE runs...

@1stg/app-config (>=10.0.0, <=15.0.0), @1stg/common-config (>=10.0.0, <=15.0.0) +479 more potentially affected by CVE-2026-104844 via postcss-selector-parser (>=7.0.0, <=7.1.5)

postcss-selector-parser NPM version =7.0.0, =10.0.0, =10.0.0, =8.1.0, =13.0.0, =0.1.0-dev25004766367, =0.7.0-rohit-magnitude-valuetext.1, =1.0.3, =1.11.1, =1.11.1, =1.11.1, =1.12.0, =1.11.1, =1.11.1, =1.11.1, =1.11.1, =1.55.8 and more Source cves: CVE-2026-104844 Source advisory:...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity via the uniqs helper and index-membership checks in src/parser.js when parsing flat selectors e.g. .a.a.a... containing a large number of class or ID tokens. The original implementation uses...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity via the uniqs helper and index-membership checks in src/parser.js when parsing flat selectors e.g. .a.a.a... containing a large number of class or ID tokens. The original implementation uses...

CVE-2026-104844

A flaw was found in postcss-selector-parser. A remote attacker could exploit this vulnerability by submitting a specially crafted CSS selector containing numerous class or ID identifiers to an application that parses untrusted input. Due to inefficient processing and repeated scanning during...

CVE-2026-104844

PostCSS Selector Parser is a CSS selector parser that integrates with PostCSS but does not require it. Prior to 7.1.6, src/parser.js splitWord can receive a flat selector as one word token carrying many class or ID indexes because period and hash characters are not tokenizer word delimiters. The...

CVE-2026-104844 PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion

PostCSS Selector Parser is a CSS selector parser that integrates with PostCSS but does not require it. Prior to 7.1.6, src/parser.js splitWord can receive a flat selector as one word token carrying many class or ID indexes because period and hash characters are not tokenizer word delimiters. The...

CVE-2026-104844

The PostCSS Selector Parser (prior to version 7.1.6 ) is vulnerable to a Denial of Service (DoS) attack due to quadratic complexity in flat selector parsing. The root cause lies in src/parser.js, where splitWord() accepts selectors with numerous class or ID indexes because period and hash charact...

CVE-2026-104844 PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion

PostCSS Selector Parser is a CSS selector parser that integrates with PostCSS but does not require it. Prior to 7.1.6, src/parser.js splitWord can receive a flat selector as one word token carrying many class or ID indexes because period and hash characters are not tokenizer word delimiters. The...

CVE-2026-104844

PostCSS Selector Parser is a CSS selector parser that integrates with PostCSS but does not require it. Prior to 7.1.6, src/parser.js splitWord can receive a flat selector as one word token carrying many class or ID indexes because period and hash characters are not tokenizer word delimiters. The...