What’s Vulnerable › Vulnerabilities

CVE-2021-31229

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-15 · updated 2026-06-17
• Weakness: CWE-787

Description

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 Linux: 9.0
• Ezxml Project Ezxml: 0.8.6

References

• https://lists.debian.org/debian-lts-announce/2021/07/msg00005.html
• https://sourceforge.net/p/ezxml/bugs/26/
• https://lists.debian.org/debian-lts-announce/2021/07/msg00005.html
• https://sourceforge.net/p/ezxml/bugs/26/

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