CVE-2022-34035: htmldoc_project htmldoc Out-of-bounds Write
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-34035DEBIAN-CVE-2022-34035
Published 18-07-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-34035 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in htmldoc_project htmldoc. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.70%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1 · Duplicates 1 · Related 1Timeline
- 18-07-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.70%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
+0.05 pp
From 1.65% on 21-09-2026
21-09-202621-10-2026
EPSS score1.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundHtmldoc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- htmldoc< 1.9.12-1
Htmldoc_project1 product
- htmldoc≤ 1.9.12
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
3 vendors · 3 products
References
7 links- github.com/michaelrsweet/htmldoc/issues/426X Refsource MISCREPORTExploitIssue TrackingPatchThird Party Advisory
- github.com/michaelrsweet/htmldoc/commit/ee778252faebb721afba5a081dd6ad7eaf20eef3X Refsource MISCPatchThird Party Advisory
- github.com/michaelrsweet/htmldoc/commit/a0014be47d614220db111b360fb6170ef6f3937eX Refsource MISCPatchThird Party Advisory