Vulnerability Details CVE-2026-45764
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a protocol change while processing HTTP/2 traffic could lead to type confusion in Suricata. Crafted traffic may cause Suricata to crash, resulting in denial of service. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, disable HTTP/2 parsing if it is not required.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 36.3%
CVSS Severity
CVSS v3 Score 9.1
References
Products affected by CVE-2026-45764
-
cpe:2.3:a:oisf:suricata:7.0.0
-
cpe:2.3:a:oisf:suricata:7.0.1
-
cpe:2.3:a:oisf:suricata:7.0.10
-
cpe:2.3:a:oisf:suricata:7.0.11
-
cpe:2.3:a:oisf:suricata:7.0.12
-
cpe:2.3:a:oisf:suricata:7.0.13
-
cpe:2.3:a:oisf:suricata:7.0.14
-
cpe:2.3:a:oisf:suricata:7.0.15
-
cpe:2.3:a:oisf:suricata:7.0.2
-
cpe:2.3:a:oisf:suricata:7.0.3
-
cpe:2.3:a:oisf:suricata:7.0.4
-
cpe:2.3:a:oisf:suricata:7.0.5
-
cpe:2.3:a:oisf:suricata:7.0.6
-
cpe:2.3:a:oisf:suricata:7.0.7
-
cpe:2.3:a:oisf:suricata:7.0.8
-
cpe:2.3:a:oisf:suricata:7.0.9
-
cpe:2.3:a:oisf:suricata:8.0.0
-
cpe:2.3:a:oisf:suricata:8.0.1
-
cpe:2.3:a:oisf:suricata:8.0.2
-
cpe:2.3:a:oisf:suricata:8.0.3
-
cpe:2.3:a:oisf:suricata:8.0.4