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    CVE-2023-24824

    cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity issues when parsing text which leads with either large numbers of `>` or `-` characters. This issue has been addressed in version 0.29.0.gfm.10. Users are advised to upgrade. Users unable to upgrade should validate that their input comes from trusted sources.

    Published:Mar 31, 2023
    Last Modified:Feb 11, 2025
    EPS:Mar 31, 2023
    EPSS Score:0.00433
    CVSS Score:5.3

    Affected Products

    Vendor
    Github
    Product
    Cmark-gfm
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xhhttps://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh

    Related CVEs

    CVE-2024-22051 (CVSS 9.8) — CommonMarker versions prior to 0.23.4 are at risk of an integer overflow vulnerability. This vulnerability can…
    CVE-2023-37463 (CVSS 6.4) — cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Ma…
    CVE-2023-26485 (CVSS 5.3) — cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial…
    CVE-2023-22486 (CVSS 3.5) — cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions pri…
    CVE-2023-22485 (CVSS 5.3) — cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions …
    CVE-2023-22484 (CVSS 3.5) — cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions pri…
    CVE-2023-22483 (CVSS 3.5) — cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions pri…
    CVE-2022-39209 (CVSS 7.5) — cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions …
    CVE-2022-24724 (CVSS 8.8) — cmark-gfm is GitHub's extended version of the C reference implementation of CommonMark. Prior to versions 0.29…

    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-2023-24824 — Github, Redhat (Medium 5.3) | CVE-DB