CVE-2026-90473 msgpack-java through 0.9.12 Integer Overflow via MAP32

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-2026-90472

msgpack-java through version 0.9.12 contains a stack overflow vulnerability in MessageUnpacker.unpackValue(), which recursively deserializes arrays and maps without enforcing nesting depth limits. An unauthenticated, network-based attacker can craft a payload with deeply nested arrays to exhaust ...

EUVD-2026-76848

msgpack-java through 0.9.12 contains a stack overflow vulnerability in MessageUnpacker.unpackValue that recursively deserializes arrays and maps without nesting depth limits. Attackers can craft payloads with deeply nested arrays to exhaust the deserializing thread's stack and trigger...

PT-2026-90635

msgpack-java through 0.9.12 contains a stack overflow vulnerability in MessageUnpacker.unpackValue that recursively deserializes arrays and maps without nesting depth limits. Attackers can craft payloads with deeply nested arrays to exhaust the deserializing thread's stack and trigger...