๐Ÿ” CVE Alert

CVE-2026-31935

HIGH 7.5

Suricata http2: unbounded resource consumption

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-400 CWE-770
Vendor oisf
Product suricata
Published Apr 2, 2026
Last Updated Apr 2, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected Versions

OISF / suricata
< 7.0.15 >= 8.0.0, < 8.0.4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/OISF/suricata/security/advisories/GHSA-vxrp-5pg7-7v4x redmine.openinfosecfoundation.org: https://redmine.openinfosecfoundation.org/issues/8289