Stack-based buffer overflow in Suricata - CVE-2025-64332
Published: November 27, 2025
Vulnerability identifier: #VU118810
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-64332
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error when handling compressed data if SWF decompression is enabled. A remote attacker can trigger a stack-based buffer overflow and perform a denial of service attack.
Affected software
Suricata
How to mitigate CVE-2025-64332
Install updates from vendor's website.
Suricata - addressed in versions 7.0.13, 8.0.2