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.
CVE-2025-59147
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 84% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 26.8%
- KEV
- Not listed
Published
October 1, 2025
Last Modified
October 6, 2025
References (4)
- security-advisories@githubhttps://forum.suricata.io/t/suricata-8-0-1-and-7-0-12-released/6018
- security-advisories@githubhttps://github.com/OISF/suricata/commit/be6315dba0d9101b11d16e9dacfe2822b3792f1b
- security-advisories@githubhttps://github.com/OISF/suricata/commit/e91b03c90385db15e21cf1a0e85b921bf92b039e
- security-advisories@githubhttps://github.com/OISF/suricata/security/advisories/GHSA-v8hv-6v7x-4c2r
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-29 21:42 UTCEG score recompute
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Frequently asked(5)
What is CVE-2025-59147?
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Dependency Blast Radius
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