CVE-2026-56406 | libexpat up to 2.8.1 integer overflow

June 21, 2026 Yanac

A vulnerability, which was classified as problematic, was found in libexpat up to 2.8.1. This issue affects some unknown processing. Executing a manipulation can lead to integer overflow.

This vulnerability is registered as CVE-2026-56406. The attack needs to be launched locally. No exploit is available.

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