Stack-based buffer overflow in Suricata - CVE-2026-22262
Published: January 28, 2026
Vulnerability identifier: #VU122107
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-2026-22262
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 (DoS) attack.
The vulnerability exists due to a boundary error when saving a set. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause a denial of service condition on the target system.
Affected software
Suricata
How to mitigate CVE-2026-22262
Install updates from vendor's website.
Suricata - addressed in versions 7.0.14, 8.0.3