Vulnerability · Published Nov 12, 2021 · Assigned by mitre
CVE-2021-43579
High 7.8
In plain English
A high-severity security flaw in the htmldoc package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.3% (higher than 94% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)7.3%top 5.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | htmldoc | 1.9.13-1 | DEBIAN-CVE-2021-43579 |
| Debian:13 | htmldoc | 1.9.13-1 | DEBIAN-CVE-2021-43579 |
| Debian:14 | htmldoc | 1.9.13-1 | DEBIAN-CVE-2021-43579 |
Affected products (as reported)
References
- https://github.com/michaelrsweet/htmldoc/issues/453 x_refsource_MISC
- https://github.com/michaelrsweet/htmldoc/commit/27d08989a5a567155d506ac870ae7d8cc88fa58b x_refsource_MISC
- https://github.com/michaelrsweet/htmldoc/compare/v1.9.12...v1.9.13 x_refsource_MISC
- https://github.com/michaelrsweet/htmldoc/issues/456 x_refsource_MISC
- [debian-lts-announce] 20220226 [SECURITY] [DLA 2928-1] htmldoc security update mailing-list, x_refsource_MLIST