CVE-2022-0137: htmldoc_project htmldoc
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-0137DEBIAN-CVE-2022-0137
Published 14-11-2022Last modified 25-04-2025
Vulnerability summary
CVE-2022-0137 is a high (CVSS 7.5) vulnerability in htmldoc_project htmldoc. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 48.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.60%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 14-11-2022PublishedVulnerability first disclosed.
- 25-04-2025Last modifiedVulnerability information updated.
Description
A heap buffer overflow in image_set_mask function of HTMLDOC before 1.9.15 allows an attacker to write outside the buffer boundaries.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HSources4 sources · 5.5–7.5
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
+0.01 pp
From 0.59% on 21-09-2026
21-09-202621-10-2026
EPSS score0.60%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundHtmldoc
Maturity: poc
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Debian1 product
- htmldoc< 1.9.15-1
Htmldoc_project1 product
- htmldoc< 1.9.15
Michaelrsweet1 product
- htmldoc1.9.14
Ubuntu1 product
- htmldoc< 1.8.27-8ubuntu1+esm4 | < 1.8.27-8ubuntu1.1+esm3 | < 1.9.2-1ubuntu0.2+esm2 | < 1.9.7-1ubuntu0.3+esm2
4 vendors · 4 products
References
6 links- github.com/michaelrsweet/htmldoc/commit/71fe87878c9cbc3db429f5e5c70f28e4b3d96e3bPatchThird Party Advisory
