Bug 2454374 (CVE-2026-31934) - CVE-2026-31934 Suricata: Suricata: Denial of Service via quadratic complexity in URL search of MIME-encoded SMTP messages
Summary: CVE-2026-31934 Suricata: Suricata: Denial of Service via quadratic complexity...
Keywords:
Status: NEW
Alias: CVE-2026-31934
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2454446 2454455
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-02 15:01 UTC by OSIDB Bzimport
Modified: 2026-04-02 16:38 UTC (History)
0 users

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Description OSIDB Bzimport 2026-04-02 15:01:22 UTC 
Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4.
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