EUVD-2026-76849

msgpack-java through 0.9.12 contains an integer overflow vulnerability in MessageUnpacker.skipValue when processing MAP32 containers with large element counts. Attackers can supply a MAP32 element count at or above 0x40000000 that wraps when doubled, causing the parser cursor to desynchronize and...

CVE-2026-90473

msgpack-java through 0.9.12 is affected by an integer overflow in MessageUnpacker.skipValue() when processing MAP32 containers. An attacker can supply a MAP32 element count of 0x40000000 or greater , which wraps when doubled, causing the parser cursor to desynchronize so that attacker-controlled ...