Name: CVE-2021-34121: Out-of-bounds Read
Creator: Rapid7
Published: 2023-07-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-34121, CWE-125, CVSS 7.8, EPSS 0.00027

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.

CVSS Details

CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade htmldoc	Jul 30, 2024	Jul 18, 2023
Ubuntu	—	Upgrade htmldoc (Ubuntu Pro)	Jan 9, 2025	Jul 18, 2023

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CVSS Details

Covered by Rapid7

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