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GoPacket's Diameter AVP decoder: uint32 underflow on vendor header size leads to unbounded ~4 GiB allocation (unauthenticated remote DoS)

🗓️ 28 Jul 2026 16:14:36Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

Diameter AVP decoder underflows length when Vendor flag is set, causing huge allocations and remote denial of service.

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28 Jul 2026 16:14Current
6.5Medium risk
Vulners AI Score6.5
CVSS 46.9
SSVC
4