CVE-2026-45747 Suricata - Denial of Service

Suricata < 7.0.16 contains a denial of service caused by dereferencing NULL certificate fields in Lua TLS certificate information helper, letting attackers crash the system by sending crafted TLS traffic, exploit requires Lua scripting on untrusted traffic.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.42% 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
10 September 2026
Updated
15 October 2026
Weakness
CWE-476

Vendor fix

Update to version 7.0.16 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

← All CVEs