Headline
CVE-2022-24836: Inefficient Regular Expression Complexity in Nokogiri
Nokogiri is an open source XML and HTML library for Ruby. Nokogiri < v1.13.4 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. Users are advised to upgrade to Nokogiri >= 1.13.4. There are no known workarounds for this issue.
Package
Affected versions
< 1.13.4
Description
Summary
Nokogiri < v1.13.4 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents.
Mitigation
Upgrade to Nokogiri >= 1.13.4.
Severity
The Nokogiri maintainers have evaluated this as High Severity 7.5 (CVSS3.1).
References
CWE-1333 Inefficient Regular Expression Complexity
Credit
This vulnerability was reported by HackerOne user ooooooo_q (ななおく).
Severity
CVSS base metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
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