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Msgpack vulnerabilities
Newest
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msgpack msgpack-python
MessagePack: Unbounded memory leak in msgpack C extension on strict_map_key validation failure
CVE-2026-114613
Fix available
7.5 High
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msgpack msgpack-java
msgpack-java through 0.9.12 Integer Overflow via MAP32
CVE-2026-90473
6.9 Medium
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msgpack msgpack-java
msgpack-java through 0.9.12 Stack Overflow via Nested Arrays
CVE-2026-90472
6.9 Medium
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msgpack msgpack-c
msgpack-c Integer Overflow in msgpack_unpacker_expand_buffer Causes a False-Success Undersized Reservation
CVE-2026-72854
Fix available
5.8 Medium
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msgpack messagepack, msgpack-ruby +1 more
MessagePack::Buffer#clear Use-After-Free that Enables Cross-Buffer Disclosure
CVE-2026-54522
Fix available
2.1 Low
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msgpack messagepack, msgpack-python +1 more
MessagePack: Out-of-bounds read/crash on Unpacker reuse after caught error
CVE-2026-57585
Fix available
7.5 High
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msgpack messagepack, msgpack-java +1 more
MessagePack-Java Vulnerable to Remote Denial of Service via Malicious .msgpack Model File Triggering Unbounded EXT Payload Allocation
CVE-2026-21452
Fix available
7.5 High