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CVE-2026-90473mediumCWE-190

msgpack-java through 0.9.12 Integer Overflow via MAP32

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.9epss 0.2%
probabilidad de explotación
0.2%top 85% de las CVE
explotación observada
noninguna fuente lo reporta
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 attacker-controlled data to be returned in place of later fields.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Productos afectados
msgpack · msgpack-java