CVE-2021-43579

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.46% Top 25%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/michaelrsweet/htmldoc/issues/453 issue tracking patch exploit third party advisory
https://github.com/michaelrsweet/htmldoc/commit/27d08989a5a567155d506ac870ae7d8cc88fa58b third party advisory patch
https://github.com/michaelrsweet/htmldoc/compare/v1.9.12...v1.9.13 third party advisory release notes
https://github.com/michaelrsweet/htmldoc/issues/456 issue tracking patch exploit third party advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00022.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-43579?
CVE-2021-43579 has been scored as a high severity vulnerability.
How to fix CVE-2021-43579?
To fix CVE-2021-43579, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43579 being actively exploited in the wild?
It is possible that CVE-2021-43579 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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