CVE-2021-34121

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/michaelrsweet/htmldoc/issues/433 issue tracking exploit
https://github.com/michaelrsweet/htmldoc/commit/c67bbd8756f015e33e4ba639a40c7f9d8bd9e8ab patch

Frequently Asked Questions

What is the severity of CVE-2021-34121?
CVE-2021-34121 has been scored as a high severity vulnerability.
How to fix CVE-2021-34121?
To fix CVE-2021-34121, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34121 being actively exploited in the wild?
It is possible that CVE-2021-34121 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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