CVE-2021-43579: Debian Linux

High severity, CVSS 7.8. EPSS: 7.3% chance of exploitation in the next 30 days.

A stack-based buffer overflow in image_load_bmp() in HTMLDOC <= 1.9.13 results in remote code execution if the victim converts an HTML document linking to a crafted BMP file.

Affected products

• Debian Debian Linux: version 9.0 only
• Htmldoc Project Htmldoc: up to and including 1.9.13

Published 2022-01-10. Last modified 2026-06-17.