CVE-2022-24724 is a critical integer overflow vulnerability in cmark-gfm, GitHub's extended CommonMark implementation, affecting versions prior to 0.29.0.gfm.3 and 0.28.3.gfm.21. This flaw, specifically in the table row parsing function, can lead to heap memory corruption when processing tables with an excessive number of columns. With a CVSS score of 9.8 (Critical), it presents a significant risk, potentially enabling Remote Code Execution (RCE) if used to render remote user-controlled markdown. While no active exploitation, public exploit code, or significant community discussion has been observed, organizations using affected cmark-gfm versions or products like Fedora should update immediately or disable the table extension as a workaround.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.28.3.gfm.21CPE matchmatch criteria | cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:* | ||
> 0.28.3.gfm.21, < 0.29.0.gfm.3CPE matchmatch criteria | cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | ||
35CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | ||
36CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.