CVE-2023-28631 is a critical vulnerability affecting the comrak CommonMark and GFM compatible Markdown parser and renderer. It arises when a manually constructed Abstract Syntax Tree (AST) contains malformed data, specifically non-UTF-8 byte arrays, which the HTML formatting code incorrectly assumes to be valid. This can lead to severe impacts including data confidentiality, integrity, and availability compromises. Rated with a CVSS score of 9.8 (Critical), this vulnerability is remotely exploitable with low attack complexity and no user interaction required. The FAUCET Risk Score is 78/100, indicating a high potential risk. Currently, there is no evidence of active exploitation, nor is there publicly available exploit code in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage are minimal, which is typical for a large percentage of CVEs.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.17.0CPE matchmatch criteria | cpe:2.3:a:comrak_project:comrak:*:*:*:*:*:rust:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.