Vulnerability Details : CVE-2021-40985
Potential exploit
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2021-40985
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:htmldoc_project:htmldoc:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-40985
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-40985
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-40985
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-40985
-
https://github.com/michaelrsweet/htmldoc/issues/444
stack-buffer-underflow in htmldoc · Issue #444 · michaelrsweet/htmldoc · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
-
https://github.com/michaelrsweet/htmldoc/commit/f12b9666e582a8e7b70f11b28e5ffc49ad625d43
Fix BMP crash bug (Issue #444) · michaelrsweet/htmldoc@f12b966 · GitHubPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/02/msg00022.html
[SECURITY] [DLA 2928-1] htmldoc security updateMailing List;Third Party Advisory
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