High severity7.8NVD Advisory· Published Jul 18, 2023· Updated Jun 17, 2026
CVE-2021-34121
CVE-2021-34121
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.
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Affected products
3- cpe:2.3:a:htmldoc_project:htmldoc:1.9.12:*:*:*:*:*:*:*
- htmodoc/htmodocdescription
Patches
Vulnerability mechanics
References
2- github.com/michaelrsweet/htmldoc/commit/c67bbd8756f015e33e4ba639a40c7f9d8bd9e8abnvdPatch
- github.com/michaelrsweet/htmldoc/issues/433nvdExploitIssue Tracking
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