CVE-2026-86000

A flaw was found in Soup Sieve, a CSS selector library. An attacker can craft a malicious CSS selector that, when processed by the library, leads to excessive CPU consumption. This occurs due to a polynomial-time regular expression denial of service ReDoS vulnerability in the selector parser...

CVE-2026-85999

A flaw was found in Soup Sieve, a CSS selector library. A remote attacker can provide a specially crafted CSS selector containing long whitespace or comment runs. This can cause excessive CPU consumption during selector trimming, leading to a Regular Expression Denial of Service ReDoS by stalling...

CVE-2026-86000: Uncontrolled Resource Consumption

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.9, the selector parser in src/soupsieve/cssparser.py defines IDENTIFIER with adjacent quantified groups over overlapping character classes, and VALUE embeds IDENTIFIER for attribute selectors. When an...

OESA-2026-3762 python-soupsieve security update

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. It aims to provide selecting, matching, and filtering using modern CSS selectors. Soup Sieve currently provides selectors from the CSS level 1 specifications up through the latest CSS level 4 drafts and beyond though...

OESA-2026-3621 python-soupsieve security update

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. It aims to provide selecting, matching, and filtering using modern CSS selectors. Soup Sieve currently provides selectors from the CSS level 1 specifications up through the latest CSS level 4 drafts and beyond though...

OESA-2026-3620 python-soupsieve security update

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. It aims to provide selecting, matching, and filtering using modern CSS selectors. Soup Sieve currently provides selectors from the CSS level 1 specifications up through the latest CSS level 4 drafts and beyond though...

CVE-2026-79770

A flaw was found in Nokogiri. A remote attacker can inject specially crafted CSS selectors into methods such as Nodecss or Nodeatcss. This injection can lead to regular expression denial of service ReDoS due to exponential regex backtracking, causing the application to become unresponsive...

SUSE CVE-2026-79770

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

Linux Distros Unpatched Vulnerability : CVE-2026-79770

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifi...

GHSA-5JHF-FPP7-V2PV Duplicate Advisory: Nokogiri CSS selector tokenizer has regular expression backtracking

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-c4rq-3m3g-8wgx. This link is maintained to preserve external references. Original Description Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector...

Regular Expression Denial of Service (ReDoS)

Overview nokogiri is a gem for parsing HTML, XML, SAX, and Reader. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS in the CSS selector tokenizer process. An attacker can cause excessive resource consumption by injecting specially crafted CSS selector...

CVE-2026-79770

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

EUVD-2026-65528

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

CVE-2026-79770 Nokogiri before 1.19.3 ReDoS via CSS selector tokenizer

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

CVE-2026-79770

Nokogiri versions before 1.19.3 are vulnerable to ReDoS (Regular Expression Denial of Service) in the CSS selector tokenizer , specifically in string-literal and identifier tokenization. An attacker who can supply adversarial CSS selectors to methods such as Node#css, Node#at_css, or Searchable#s...

CVE-2026-79770

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

CVE-2026-79770 Nokogiri before 1.19.3 ReDoS via CSS selector tokenizer

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

CVE-2026-79770 Nokogiri before 1.19.3 ReDoS via CSS selector tokenizer

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

CVE-2026-79770: Inefficient Regular Expression Complexity

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeatcss, and Searchablesearch to cause...

PT-2026-81359

Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Nodecss, Nodeat css, and Searchablesearch to cause...