HIGH🇵🇱 Wersja polska

CVE-2026-79770

CVSS 8.7v4.0pub. 2026-08-25upd. 2026-09-01

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.

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  • Nokogiri

    APP
    Nokogiri
    < 1.19.3
🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
Tags
DoS
CWE
References

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