What is CVE-2022-0137?

CVE-2022-0137 is a high-severity vulnerability in Htmldoc Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2022-11-14.

How severe is CVE-2022-0137?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Htmldoc Project

CVE-2022-0137

A heap buffer overflow in image_set_mask function of HTMLDOC before 1.9.15 allows an attacker to write outside the buffer boundaries.

Vulnerability class: Buffer Overflow

Published 2022-11-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Htmldoc Project
Michaelrsweet Htmldoc — versions 1.9.14, 1.9.15

Weakness classification (CWE)

References

github.com/michaelrsweet/htmldoc/issues/461 (issue-tracking, Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/michaelrsweet/htmldoc/commit/71fe87878c9cbc3db429f5e5c70f28e4b3d96e3b (Patch, Third Party Advisory, patch)

Frequently asked questions

What is CVE-2022-0137?: CVE-2022-0137 is a high-severity vulnerability in Htmldoc Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2022-11-14.
How severe is CVE-2022-0137?: High severity. CVSS v3 base score is 7.5 out of 10.