CVE Catalog

CVE-2026-56410

MediumCVSS 6.9
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.11%

2th percentile — higher than 2% of all known CVEs

Summary

In libexpat before version 2.8.2, there is an integer overflow in the resolveSystemId function, which may lead to unexpected application behavior.

Risk Assessment

The integer overflow may allow attackers to execute malicious code or cause application crashes, posing a threat to system integrity and availability.

Recommendation

It is recommended to update the libexpat library to version 2.8.2 or later to mitigate this vulnerability.

Original NVD description (English source)

xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS