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 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...

CVE-2026-4671

justhtml before 1.18.0 contains multiple low-severity denial-of-service issues in CSS selector handling and linkification. Applications that evaluate attacker-controlled selector strings via query, matches, or selector-based transforms, run selector matching over very large untrusted documents,...

CVE-2026-4671 justhtml before 1.18.0 Denial of Service via CSS Selector

justhtml before 1.18.0 contains multiple low-severity denial-of-service issues in CSS selector handling and linkification. Applications that evaluate attacker-controlled selector strings via query, matches, or selector-based transforms, run selector matching over very large untrusted documents,...

EUVD-2026-64651

justhtml before 1.18.0 contains multiple low-severity denial-of-service issues in CSS selector handling and linkification. Applications that evaluate attacker-controlled selector strings via query, matches, or selector-based transforms, run selector matching over very large untrusted documents,...

CVE-2026-4671 justhtml before 1.18.0 Denial of Service via CSS Selector

justhtml before 1.18.0 contains multiple low-severity denial-of-service issues in CSS selector handling and linkification. Applications that evaluate attacker-controlled selector strings via query, matches, or selector-based transforms, run selector matching over very large untrusted documents,...

CVE-2026-4671 justhtml before 1.18.0 Denial of Service via CSS Selector

justhtml before 1.18.0 contains multiple low-severity denial-of-service issues in CSS selector handling and linkification. Applications that evaluate attacker-controlled selector strings via query, matches, or selector-based transforms, run selector matching over very large untrusted documents,...

CVE-2026-4671

justhtml (Python HTML sanitizer library) versions before 1.18.0 contain multiple denial-of-service vulnerabilities in CSS selector handling and linkification . Attacker-controlled selector strings passed to query(), matches(), or selector-based transforms, or linkification over untrusted text, ca...

PT-2026-81043

Name of the Vulnerable Software and Affected Versions Epiphany affected versions not specified Description A flaw exists in the form autofill script where the browser fails to escape an HTML form element ID before interpolating it into a CSS selector. A malicious website can provide a crafted ID...

CVE-2026-77682

A code injection vulnerability exists in Epiphany when the user invokes form autofill from the context menu on a page containing a malicious HTML form. In embed/web-process-extension/resources/js/ephyautofill.js, getSelector builds a CSS selector by directly interpolating an element's id attribut...

Arbitrary Code Injection

Overview org.webjars.npm:mermaid is a package for generation of diagrams and flowcharts from text in a similar manner as markdown. Affected versions of this package are vulnerable to Arbitrary Code Injection via the CSS namespacing process. An attacker can manipulate the appearance or behavior of...

CVE-2026-49477

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

CVE-2026-49477

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

UBUNTU-CVE-2026-49477

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

CVE-2026-49477 Soup Sieve: Regular Expression Denial of Service (ReDoS) in soupsieve Selector Parser

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

CVE-2026-49477

Soup Sieve (CSS selector engine used by Beautiful Soup 4) Before 2.8.4 contains a regular-expression backtracking bug in soupsieve/css_parser.py (VALUE pattern) that enables catastrophic backtracking on unterminated quoted attribute values, causing CPU exhaustion and potential DoS when compiling ...

CVE-2026-49477

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

GHSA-R8CJ-3554-33MR justhtml introduces denial-of-service hardening

Summary justhtml 1.18.0 fixes multiple low-severity denial-of-service hardening issues in CSS selector handling and linkification. These issues are availability concerns. They do not allow script execution, data disclosure, or sanitizer bypass by themselves. Affected versions - justhtml 1.18.0...