CVE-2021-34121

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 v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.34% chance of exploitation in the next 30 days, 26th percentile

Published

2023-07-18

Updated

2024-10-28

Proof-of-concept exploits (1)

• michaelrsweet/htmldoc/issues/433

References

• CVE Record
• NVD entry

Related

• CVE-2021-20308
• CVE-2021-23158
• CVE-2021-23165
• CVE-2021-23180
• CVE-2021-23191
• CVE-2021-23206