CVE Catalog
CVE-2026-56406
MediumCVSS 6.9Exploitation Probability (EPSS)
Low risk0.10%
1th percentile — higher than 1% of all known CVEs
Summary
In libexpat before version 2.8.2, there is an integer overflow in XML_ParseBuffer due to a lack of a check that was present in XML_Parse.
Risk Assessment
The integer overflow may lead to unexpected application behavior, creating a risk of exploitation by attackers.
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)
libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.