Buffer overflow in Htmldoc Project
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.073 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.073 · newest: 0.073 · change: 0.000
Affected products
- Htmldoc Project
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/michaelrsweet/htmldoc/issues/453 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/michaelrsweet/htmldoc/commit/27d08989a5a567155d506ac870ae7d8cc88fa58b (Patch, Third Party Advisory)
- github.com/michaelrsweet/htmldoc/compare/v1.9.12...v1.9.13 (Third Party Advisory, Release Notes)
- github.com/michaelrsweet/htmldoc/issues/456 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2022/02/msg00022.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43579?
- CVE-2021-43579 is a high-severity vulnerability in Htmldoc Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-01-10.
- How severe is CVE-2021-43579?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-43579 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.