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HIGHCVE-2026-31935Published Modified CNA GitHub_M

CVE-2026-31935: Suricata http2: unbounded resource consumption

Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in the Suricata process being shut down by the operating system. This issue has been patched in versions 7.0.15 and 8.0.4.

Metrics

CVSS v3.1
7.5
Severity
HIGH
Fixed in
Affected Products
1
Affected packages
  • OISF / suricata
    < 7.0.15 · >= 8.0.0, < 8.0.4
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2026-31935: Suricata http2: unbounded resource consumption | HarborGuard CVE