CVE-2021-34121
7.8
HIGH
CVSS 3.1
EPSS 0.03%
Description
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.
How to fix CVE-2021-34121
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/htmldoc—no fix listed
Is CVE-2021-34121 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |