CVE-2026-93494 Netty - Denial of Service

Netty StompSubframeDecoder contains a denial of service caused by missing terminating null byte in STOMP frame body leading to unreleased ByteBuf memory leak, letting remote attackers cause application DoS, exploit requires crafted STOMP frame.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.41% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
18 September 2026
Updated
15 October 2026
Weakness
CWE-1035

Vendor fix

Update to the latest version of Netty containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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