Integer overflow in GitHub Cmark-Gfm
CVE-2024-22051
CommonMarker versions prior to 0.23.4 are at risk of an integer overflow vulnerability. This vulnerability can result in possibly unauthenticated remote attackers to cause heap memory corruption, potentially leading to an information leak or remote code execution, via parsing tables with marker rows that contain more than UINT16_MAX columns.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/github/cmark-gfm/security/advisories/GHSA-mc3g-88wq-6f4x (related, vendor-advisory, Not Applicable)
- github.com/gjtorikian/commonmarker/security/advisories/GHSA-fmx4-26r3-wxpf (vendor-advisory, Vendor Advisory)
- github.com/gjtorikian/commonmarker/commit/ab4504fd17460627a6ab255bc3c63e8e5fc6a… (Patch, patch)
- github.com/advisories/GHSA-fmx4-26r3-wxpf (vendor-advisory, Third Party Advisory, third-party-advisory)
- vulncheck.com/advisories/vc-advisory-GHSA-fmx4-26r3-wxpf (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2024-22051?
- CVE-2024-22051 is a critical-severity vulnerability in GitHub Cmark-Gfm, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2024-01-04.
- How severe is CVE-2024-22051?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2024-22051 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.