CVE-2026-90472
msgpack-java through 0.9.12 Stack Overflow via Nested Arrays
CVSS 4.0 6.9 MEDIUMCVSS 3.1 5.3 MEDIUMCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-90472
Publishedmsgpack-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.
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CVE-2026-90472 · CVE overview and exploitation status
cve-program · CVE-2026-90472
- https://github.com/msgpack/msgpack-java/issues/1015
- https://github.com/msgpack/msgpack-java/blob/v0.9.12/msgpack-core/src/main/java/org/msgpack/core/MessageUnpacker.java#L646-L664
- https://github.com/msgpack/msgpack-java
- https://www.vulncheck.com/advisories/msgpack-java-through-0.9.12-stack-overflow-via-nested-arrays
Related changes
Linked by CVE identifierNo related changes are available here.