Asymmetric denial of service - ReDoS In ruby-nokogiri
Description
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 Node#css, Node#at_css, and Searchable#search to cause exponential regex backtracking and denial of service.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Component | Affected version | Patched versions |
|---|---|---|---|
 debian 12 | - | ||
 rubygems | 1.19.3 | ||
debian 14 | 1.19.3+dfsg-1 | ||
debian 13 | - |
Aliases
1. 2. 3. 4. 5. 6. 7.
References
1. 2.