CVE-2026-66733 - Sonic 3 A.I.R. Unbounded Memory Allocation DoS via ReceivedPacketCache

CVE-2026-66733 - Sonic 3 A.I.R. Unbounded Memory Allocation DoS via ReceivedPacketCache

https://cvefeed.io/rssfeed/latest.atom / Thu, 08/06/2026 - 16:09
CVE ID :CVE-2026-66733
Published : Aug. 6, 2026, 12:58 p.m. | 27 minutes ago
Description :Sonic 3 A.I.R. before commit 2492d18 contains an unbounded memory allocation vulnerability in ReceivedPacketCache::enqueuePacket() that allows unauthenticated remote attackers to crash the server process by sending a crafted UDP packet with mUniquePacketID set to the maximum uint32 value. The mUniquePacketID field is read directly from the UDP wire-format packet header without bounds checking, causing the server to allocate one CacheItem per missing packet ID gap, exhausting available host memory and propagating an uncaught std::bad_alloc exception to std::terminate().
Severity: 8.7 | HIGH
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