CVE-2021-23206

7.8 highEPSS 1.5%

High (7.8) in htmldoc project htmldoc. EPSS 1.5% chance of exploitation in the next 30 days.

A flaw was found in htmldoc in v1.9.12 and prior. A stack buffer overflow in parse_table() in ps-pdf.cxx may lead to execute arbitrary code and denial of service.

Severity

CVSS 3.1

7.8 high

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

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-121
Published: 2022-03-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

htmldoc_project:htmldoc

References

https://bugzilla.redhat.com/show_bug.cgi?id=1967028
https://github.com/michaelrsweet/htmldoc/commit/ba61a3ece382389ae4482c7027af8b32e8ab4cc8
https://github.com/michaelrsweet/htmldoc/issues/416
https://ubuntu.com/security/CVE-2021-23206
https://bugzilla.redhat.com/show_bug.cgi?id=1967028

Check your stack JSON