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GoPacket's sFlow ExtendedGatewayFlow decoder: unbounded attacker-controlled allocation (104-byte UDP datagram -> up to 16 GiB make) -> unauthenticated remote DoS

🗓️ 07 Aug 2026 07:58:26Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 3 Views

GoPacket sFlow ExtendedGatewayFlow decoder allocates up to 16 GiB from a 104-byte UDP datagram causing unauthenticated remote DoS.

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Detection

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13 Aug 2026 07:07Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.5
CVSS 46.9
EPSS0.00429
SSVC
3