CVE-2025-59147Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community.
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Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Versions 7.0.11 and below, as well as 8.0.0, are vulnerable to detection bypass when crafted traffic sends multiple SYN packets with different sequence numbers within the same flow tuple, which can cause Suricata to fail to pick up the TCP session. In IDS mode this can lead to a detection and logging bypass. In IPS mode this will lead to the flow getting blocked. This issue is fixed in versions 7.0.12 and 8.0.1.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-358
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Oct 12, 2026
- First seen by InfoSec Signals
- Oct 12, 2026
Affected products
oisf suricata oisf:suricata | before 7.0.12; 8.0.0; 8.0.0; 8.0.0 | NVD |
References
- https://forum.suricata.io/t/suricata-8-0-1-and-7-0-12-released/6018release-notes
- https://github.com/OISF/suricata/commit/be6315dba0d9101b11d16e9dacfe2822b3792f1bpatch
- https://github.com/OISF/suricata/commit/e91b03c90385db15e21cf1a0e85b921bf92b039epatch
- https://github.com/OISF/suricata/security/advisories/GHSA-v8hv-6v7x-4c2rissue-tracking, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.