CVE-2023-24824

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-24824
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-24824.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-24824
Aliases
  • GHSA-66g8-4hjf-77xh
Downstream
Related
Published
2023-03-31T22:01:18.220Z
Modified
2025-11-28T02:34:43.904623Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
Quadratic complexity may lead to a denial of service in cmark-gfm
Details

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.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-400",
        "CWE-407"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/24xxx/CVE-2023-24824.json"
}
References

Affected packages

Git / github.com/github/cmark-gfm

Affected ranges

Type
GIT
Repo
https://github.com/github/cmark-gfm
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
dcf6b3862d2885b7d3dcdfc5b30c6a73526be32c

Affected versions

0.*

0.27.1.gfm.2
0.27.1.gfm.3
0.27.1.gfm.4
0.28.0.gfm.10
0.28.0.gfm.11
0.28.0.gfm.5
0.28.0.gfm.6
0.28.0.gfm.7
0.28.0.gfm.8
0.28.0.gfm.9
0.28.3.gfm.12
0.28.3.gfm.13
0.28.3.gfm.14
0.28.3.gfm.15
0.28.3.gfm.16
0.28.3.gfm.17
0.28.3.gfm.18
0.28.3.gfm.19
0.28.3.gfm.20
0.29.0.gfm.0
0.29.0.gfm.1
0.29.0.gfm.2
0.29.0.gfm.3
0.29.0.gfm.4
0.29.0.gfm.5
0.29.0.gfm.6
0.29.0.gfm.7
0.29.0.gfm.8
0.29.0.gfm.9