CVE-2021-40985 — Out-of-bounds Read in Project Htmldoc

CWE-125 — Out-of-bounds ReadCWE-127 — Buffer Under-readCWE-120 — Classic Buffer OverflowCWE-787 — Out-of-bounds Write8 documents6 sources
Severity
5.5MEDIUMNVD
OSV9.8
EPSS
0.1%
top 72.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Htmldoc Project HtmldocDebian HtmldocDebian Linux
Timeline
PublishedNov 3
Latest updateJan 8

Description

A stack-based buffer under-read in htmldoc before 1.9.12, allows attackers to cause a denial of service via a crafted BMP image to image_load_bmp.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/htmldoc< htmldoc 1.9.13-1 (bookworm)
▶Debianhtmldoc_project/htmldoc< 1.9.11-4+deb11u1+3
▶Ubuntuhtmldoc_project/htmldoc< 1.8.27-8ubuntu1+esm3+3

Also affects: Debian Linux 9.0

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
OSV
HTMLDOC vulnerabilities↗2025-01-08
▶
GHSA
GHSA-vfx2-gpvv-rwcm: Buffer overflow vulnerability in htmldoc before 1↗2022-05-24
▶
OSV
CVE-2021-40985: A stack-based buffer under-read in htmldoc before 1↗2021-11-03
▶

📋Vendor Advisories

2
Ubuntu
HTMLDOC vulnerabilities↗2025-01-08
▶
Debian
CVE-2021-40985: htmldoc - A stack-based buffer under-read in htmldoc before 1.9.12, allows attackers to ca...↗2021
▶

📐Framework References

2
CWE
Buffer Under-read↗
▶
CWE
Out-of-bounds Read↗
▶
CVE-2021-40985 — Out-of-bounds Read in Project Htmldoc | cvebase