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{"bugzilla": {"description": "suricata: Suricata: Denial of service due to stack overflow when saving large datasets", "id": "2433479", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433479"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-121", "details": ["A flaw was found in Suricata, a network intrusion detection/prevention system (IDS/IPS). When saving a dataset, the system uses a stack buffer to process the data. If an attacker provides excessively large data within a dataset, it can cause a stack overflow. This vulnerability could lead to a denial of service, making the system unavailable."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid using rules with the `save` or `state` options for datasets in Suricata configurations. Disabling these specific dataset options prevents the vulnerable code path from being exercised, thereby eliminating the risk of a stack overflow. A restart of the Suricata service may be required for the changes to take effect."}, "name": "CVE-2026-22262", "public_date": "2026-01-27T18:18:52Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-22262\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-22262\nhttps://github.com/OISF/suricata/commit/0eff24213763c2aa2bb0957901d5dc1e18414dbf\nhttps://github.com/OISF/suricata/commit/27a2180bceaa3477419c78c54fce364398d011f1\nhttps://github.com/OISF/suricata/commit/32609e6896f9079c175665a94005417cec7637eb\nhttps://github.com/OISF/suricata/commit/32a1b9ae6aa80a60c073897e38a2ac6ea0f64521\nhttps://github.com/OISF/suricata/commit/d6bc718e303ecbec5999066b8bc88eeeca743658\nhttps://github.com/OISF/suricata/commit/d767dfadcd166f82683757818b9e46943326ac90\nhttps://github.com/OISF/suricata/security/advisories/GHSA-9qg5-2gwh-xp86\nhttps://redmine.openinfosecfoundation.org/issues/8110"], "statement": "The vulnerability in Suricata, rated as MODERATE, involves a stack overflow when saving a dataset if the data exceeds the allocated buffer size. This flaw affects Suricata versions prior to 8.0.3 and 7.0.14. Red Hat customers running affected versions of Suricata are impacted if their intrusion detection rules utilize the `save` or `state` options with datasets, which can lead to a denial of service.", "threat_severity": "Moderate"}

{"created": "2026-01-28T12:22:09.775622+00:00", "updated": "2026-01-28T12:22:09.775649+00:00", "vendors": ["oisf", "oisf$PRODUCT$suricata"]}