How severe is CVE-2024-22051?

CVE-2024-22051 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-22051 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-22051?

CVE-2024-22051 primarily affects Github Cmark-gfm. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-22051?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-22051 have an EU (EUVD) identifier?

Yes. CVE-2024-22051 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-1416.

When was CVE-2024-22051 published?

CVE-2024-22051 was published on 2024-01-04 and last updated on 2026-06-17.

CVE-2024-22051

CVE-2024-22051 is a critical-severity vulnerability in Github Cmark-gfm with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-1416
Weakness: CWE-190
Affected product: Github Cmark-gfm
Published: 2024-01-04
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2024-22051?: CVE-2024-22051 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-22051 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22051?: CVE-2024-22051 primarily affects Github Cmark-gfm. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-22051?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-22051 have an EU (EUVD) identifier?: Yes. CVE-2024-22051 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-1416.
When was CVE-2024-22051 published?: CVE-2024-22051 was published on 2024-01-04 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*
cpe:2.3:a:gjtorikian:commonmarker:*:*:*:*:*:ruby:*:*

More vulnerabilities in Github Cmark-gfm

CVE-2022-24724 — High (CVSS 8.8): cmark-gfm is GitHub's extended version of the C reference implementation of CommonMark. Prior to versions 0.29.0.gfm.3…
CVE-2022-39209 — High (CVSS 7.5): cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to…
CVE-2023-37463 — Medium (CVSS 6.4): cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown…
CVE-2023-26485 — Medium (CVSS 5.3): cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time…
CVE-2023-24824 — Medium (CVSS 5.3): cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time…
CVE-2023-22485 — Medium (CVSS 5.3): cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior…

All CVEs affecting Github Cmark-gfm →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

CVE-2026-4689 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was…
CVE-2026-24814 — Critical (CVSS 10.0): Integer Overflow or Wraparound vulnerability in swoole swoole-src (thirdparty/hiredis modules). This vulnerability is…
CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →