CVE Catalog
CVE-2026-56403
MediumCVSS 6.9Exploitation Probability (EPSS)
Low risk0.10%
1th percentile — higher than 1% of all known CVEs
Summary
libexpat before 2.8.2 has an integer overflow in storeAtts.
Risk Assessment
The integer overflow may lead to unexpected application behavior, creating a risk of exploitation by attackers.
Recommendation
It is recommended to upgrade libexpat to version 2.8.2 or later to mitigate this vulnerability.
Original NVD description (English source)
libexpat before 2.8.2 has an integer overflow in storeAtts.