CVE-2021-31229: Debian Linux

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.

Affected products

• Debian Debian Linux: version 9.0 only
• Ezxml Project Ezxml: version 0.8.6 only

Published 2021-04-15. Last modified 2026-06-17.