CVE-2026-57222Suricata ippair: hash collision can cause incorrect state reuse across IPv4 and IPv6
Updated under an hour ago ()
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It affects OISF suricata. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, crafted IPv4 and IPv6 address pairs can collide in the IPPair hash because src/ippair.c did not compare the IP address family before reusing IPPair-backed state. This can apply state from one IP family to another for xbits track ip_pair, FTP data expectations, and, on the 7.0 release line, thresholding, detection_filter, and rate_filter rules using track by_both, causing incorrect detection state. This issue is fixed in versions 8.0.6 and 7.0.17.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-697
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Analyzed
- Record last updated
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
OISF suricata oisf:suricata (from the name) | from 8.0.0, < 8.0.6; before 7.0.17 | CNA record |
oisf suricata oisf:suricata | before 7.0.17; from 8.0.0 before 8.0.6 | NVD |
References
- https://github.com/OISF/suricata/security/advisories/GHSA-2r8x-23fw-hgcgx-refsource-confirm, vendor-advisory
- https://github.com/OISF/suricata/commit/4a728464e6eb9e273bb02e3df0c28929b28db71dx-refsource-misc, patch
- https://github.com/OISF/suricata/commit/9d788575c5d22a34eeed50d56557ed12b05e0aecx-refsource-misc, patch
- https://github.com/OISF/suricata/commit/c92e270c4a795c52bce610aa1ce9ebaf065c49e6x-refsource-misc, patch
- https://github.com/OISF/suricata/releases/tag/suricata-7.0.17x-refsource-misc, release-notes
- https://github.com/OISF/suricata/releases/tag/suricata-8.0.6x-refsource-misc, release-notes
- https://redmine.openinfosecfoundation.org/issues/8559x-refsource-misc, permissions-required
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.