VulnerabilityModified
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 crafted BMP file.
HIGH 7.8EPSS 7.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 7.35% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- htmldoc project/htmldoc · debian/debian linux
- Source
- cve@mitre.org
References
- https://github.com/michaelrsweet/htmldoc/commit/27d08989a5a567155d506ac870ae7d8cc88fa58bPatch, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/compare/v1.9.12...v1.9.13Release Notes, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/453Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/456Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/02/msg00022.htmlMailing List, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/commit/27d08989a5a567155d506ac870ae7d8cc88fa58bPatch, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/compare/v1.9.12...v1.9.13Release Notes, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/453Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/michaelrsweet/htmldoc/issues/456Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/02/msg00022.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.