Buffer overflow in Ezxml Project
CVE-2021-31229
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.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (59.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Ezxml_project Ezxml — versions 0.8.6
- Debian Debian_linux — versions 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-31229?
- CVE-2021-31229 is a medium-severity vulnerability in Ezxml Project, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-04-15.
- How severe is CVE-2021-31229?
- Medium severity. CVSS v3 base score is 6.5 out of 10.