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MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths

🗓️ 25 Jun 2026 18:53:44Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 8 Views

MessagePack-CSharp LZ4 decompression may allocate unbounded buffers from attacker-declared uncompressed lengths.

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25 Jun 2026 18:53Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 46.3
EPSS0.00236
SSVC
8