CVE-2026-45747
Dashboard / Vulnerabilities / CVE-2026-45747
Summary: Suricata lua/tls: null dereference in TlsGetCertInfo
Details: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.16, the Lua TLS certificate information helper could dereference NULL certificate fields when a Lua script requested certificate information for TLS traffic where some certificate fields were absent. Crafted TLS traffic processed by a deployment using affected Lua TLS scripting could crash Suricata, resulting in denial of service. Version 7.0.16 contains a fix. As a workaround, avoid Lua scripts that call TLS certificate information helpers on untrusted traffic (`TlsGetCertInfo` function), or update scripts to handle missing certificate fields where possible.
References: https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45747.json, https://github.com/OISF/suricata/security/advisories/GHSA-vfc5-9844-rmhv, https://nvd.nist.gov/vuln/detail/CVE-2026-45747, https://redmine.openinfosecfoundation.org/issues/6286
Affected packages
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