What is CVE-2026-66733?

CVE-2026-66733 is a high-severity vulnerability in Eukaryot Sonic3air, classified under CWE-789. CVSS score: 7.5/10. Published 2026-08-06.

How severe is CVE-2026-66733?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Eukaryot Sonic3air

CVE-2026-66733

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 wit…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Eukaryot Sonic3air — versions 0, 2492d1882cd2cf1cc1d7415729ce5c4fd686cd4f

Weakness classification (CWE)

CWE-789

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-66733?: CVE-2026-66733 is a high-severity vulnerability in Eukaryot Sonic3air, classified under CWE-789. CVSS score: 7.5/10. Published 2026-08-06.
How severe is CVE-2026-66733?: High severity. CVSS v3 base score is 7.5 out of 10.