high7.8Public exploit code
CVE-2021-43579
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 cr…
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- HTMLDOC 1.9.13 - Stack Buffer Overflow2025-09-16 · remote · multiple
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Htmldoc Project | Htmldoc | through 1.9.13 |
| Debian | Debian Linux | Version 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/michaelrsweet/htmldoc/commit/27d08989a5a567155d506ac870ae7d8cc88fa58b
- https://github.com/michaelrsweet/htmldoc/compare/v1.9.12...v1.9.13
- https://github.com/michaelrsweet/htmldoc/issues/453
- https://github.com/michaelrsweet/htmldoc/issues/456
- https://lists.debian.org/debian-lts-announce/2022/02/msg00022.html
- https://github.com/michaelrsweet/htmldoc/commit/27d08989a5a567155d506ac870ae7d8cc88fa58b
- https://github.com/michaelrsweet/htmldoc/compare/v1.9.12...v1.9.13
- https://github.com/michaelrsweet/htmldoc/issues/453
- https://github.com/michaelrsweet/htmldoc/issues/456
- https://lists.debian.org/debian-lts-announce/2022/02/msg00022.html