CVE-2023-22485 is an out-of-bounds read vulnerability affecting cmark-gfm, GitHub's fork of the cmark CommonMark parsing and rendering library, in versions prior to 0.29.0.gfm.7. A specially crafted markdown document can trigger this flaw within the validate_protocol function. Rated as MEDIUM severity (CVSS 5.3), this vulnerability has a low attack complexity and does not require user interaction or privileges. The potential impact is limited to a low confidentiality loss, as it primarily accesses malloc metadata without causing visible damage. There is no evidence of active exploitation, nor is exploit code publicly available on platforms like Metasploit or ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating low public attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.29.0.gfm.7CPE matchmatch criteria | cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.