Out-of-bounds Read in Ezxml Project

CVE-2021-31348

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 (out-of-bounds read after a certain strcspn failure).

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.1th 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

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, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-31348?
CVE-2021-31348 is a medium-severity vulnerability in Ezxml Project, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2021-04-16.
How severe is CVE-2021-31348?
Medium severity. CVSS v3 base score is 6.5 out of 10.