CVE-2022-24836

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    CVE-2022-24836

    Published: 11 Apr 2022Last Modified: 21 Oct 2026

    Summary: Inefficient Regular Expression Complexity in Nokogiri

    Details: 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.

    References: https://lists.debian.org/debian-lts-announce/2024/09/msg00010.html, https://support.apple.com/kb/HT213532, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24836.json, https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6DHCOWMA5PQTIQIMDENA7R2Y5BDYAIYM/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OUPLBUZVM4WPFSXBEP2JS3R6LMKRTLFC/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMDCWRQXJQ3TFSETPCEFMQ6RR6ME5UA3/, https://nvd.nist.gov/vuln/detail/CVE-2022-24836, https://security.gentoo.org/glsa/202208-29, https://github.com/sparklemotion/nokogiri/commit/e444525ef1634b675cd1cf52d39f4320ef0aecfd, http://seclists.org/fulldisclosure/2022/Dec/23, https://lists.debian.org/debian-lts-announce/2022/05/msg00013.html, https://lists.debian.org/debian-lts-announce/2022/10/msg00018.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -4e2c4b2571dc58af294f61e6fd923f0d1698c036

    Affected versions

    v1.13.3
    v1.13.2
    v1.13.1
    v1.13.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2022-24836 | CVE-DB