CVE-2021-23158 is a critical double-free vulnerability in htmldoc versions up to 1.9.12, specifically within the pspdf_export() function. This flaw allows an unauthenticated attacker to execute arbitrary code or cause a denial of service with low attack complexity, as reflected by its CVSS score of 9.8. While the vulnerability is severe, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding it.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.9.12CPE matchmatch criteria | cpe:2.3:a:htmldoc_project:htmldoc:1.9.12:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/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.