CVE-2026-44236 rabbitmq-c - Buffer Overflow

rabbitmq-c < 0.16.0 contains a buffer overflow caused by accepting undersized connection.tune.frame_max value during amqp_login(), letting malicious AMQP servers cause memory corruption and denial of service, exploit requires malicious AMQP server.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.40% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-122

Vendor fix

Update to version 0.16.0 or later.

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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