CVE-2026-56409

xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used.

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - cve@mitre.org

Published

2026-06-21

Last modified

2026-10-25

Weaknesses

CWE-190

Affected products

• Libexpat (Libexpat Project)

References

• https://github.com/libexpat/libexpat/pull/1259