CVE-2021-31229

MEDIUM

ezxml 0.8.6 - Out-of-bounds Write in ezxml_internal_dtd

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://sourceforge.net/p/ezxml/bugs/26/
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/07/msg00005.html

Scores

CVSS v3 6.5
EPSS 0.0103
EPSS Percentile 59.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (2)
debian/debian_linux 9.0
ezxml_project/ezxml 0.8.6
Published Apr 15, 2021
Tracked Since Feb 18, 2026