VDB
CVE-2021-34121
CVE-2021-34121
PUBLISHED
CVSS 7.800000190734863 HIGH
An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution.
EPSS 0.34% · 26.1th percentile
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.34%
26.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:20.04:LTS | htmldoc | 1.9.3-1, 1.9.7-1, 1.9.7-1ubuntu0.2 |
| Ubuntu:Pro:14.04:LTS | htmldoc | 0, 1.8.27-8ubuntu1, 1.8.27-8ubuntu1+esm1 |
| Ubuntu:Pro:16.04:LTS | htmldoc | 0, 1.8.27-8ubuntu1, 1.8.27-8ubuntu1.1 |
| Ubuntu:Pro:18.04:LTS | htmldoc | 0, 1.8.27-8ubuntu2, 1.8.27-8ubuntu3 |
Timeline
- Jul 18, 2023 CVE Published
- Jul 19, 2023 EPSS Score
- Aug 22, 2023 EPSS Score
- Sep 26, 2023 EPSS Score
- Oct 30, 2023 EPSS Score
- Dec 4, 2023 EPSS Score
- Jan 7, 2024 EPSS Score
- Feb 11, 2024 EPSS Score
- Mar 16, 2024 EPSS Score
- Apr 20, 2024 EPSS Score
- May 24, 2024 EPSS Score
- Jun 27, 2024 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-34121 third-party-advisory
- https://github.com/michaelrsweet/htmldoc/issues/433 third-party-advisory
- https://github.com/michaelrsweet/htmldoc/commit/c67bbd8756f015e33e4ba639a40c7f9d8bd9e8ab third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-34121 third-party-advisory
- https://ubuntu.com/security/notices/USN-7189-1 vendor-advisory