← CVE Intelligence

CVE-2026-79770

Nokogiri before 1.19.3 ReDoS via CSS selector tokenizer PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
sparklemotion / nokogiriaffected 0 before 1.19.3; unaffected 1.19.3

CWE

CWE-1333

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.