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CVE-2026-90472

msgpack-java through 0.9.12 Stack Overflow via Nested Arrays PUBLISHED

Description (CNA)

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 StackOverflowError, causing per-request deserialization failures.

Affected (CNA)

Vendor / productVersions
msgpack / msgpack-javaaffected 0 through 0.9.12

CWE

CWE-674

References

ADP enrichment

CISA-ADP

No English description supplied.