CVE-2021-31347 — MEDIUM (6.5)

Vulnerability Description

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_parse_str() performs incorrect memory handling while parsing crafted XML files (writing outside a memory region created by mmap).

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ezxml Project	Ezxml	0.8.6
Debian	Debian Linux	9.0

Related Weaknesses (CWE)

CWE-91

References

https://lists.debian.org/debian-lts-announce/2021/07/msg00005.htmlMailing ListThird Party Advisory
https://sourceforge.net/p/ezxml/bugs/27/ExploitIssue TrackingPatch
https://lists.debian.org/debian-lts-announce/2021/07/msg00005.htmlMailing ListThird Party Advisory
https://sourceforge.net/p/ezxml/bugs/27/ExploitIssue TrackingPatch

FAQ

What is CVE-2021-31347?

CVE-2021-31347 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_parse_str() performs incorrect memory handling while parsing crafted XML files (writing outside a memory region created by mmap...

How severe is CVE-2021-31347?

CVE-2021-31347 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-31347?

Check the references section above for vendor advisories and patch information. Affected products include: Ezxml Project Ezxml, Debian Debian Linux.