Use After Free Affecting suricata package, versions [,7.0.14)[8.0.0-beta1,8.0.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-SURICATA-15123964
- published28 Jan 2026
- disclosed27 Jan 2026
- creditUnknown
Introduced: 27 Jan 2026
CVE-2026-22264 (opens in a new tab)How to fix?
Upgrade suricata to version 7.0.14, 8.0.3 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free via the alert queue expansion process. An attacker can achieve remote code execution or cause a denial of service by generating excessive alerts for a single packet, leading to a heap use-after-free condition.
Workaround
This vulnerability can be mitigated by not running untrusted rulesets or by ensuring fewer than 65536 signatures can match on the same packet.