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GHSA-V72X-2H86-7F8M MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths

🗓️ 25 Jun 2026 18:53:44Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

MessagePack-CSharp LZ4 decompression may allocate unbounded buffers from attacker declared lengths in Lz4Block or Lz4BlockArray.

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25 Jun 2026 19:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 46.3
CVSS 3.17.5
EPSS0.00236
3