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CVE-2026-31935

Suricata http2: unbounded resource consumption

Published: Apr 2, 2026Updated: Apr 7, 2026 Sources: CVE List NVD BDUCWE-400
7.5HIGH
NVD MITRE
EPSS Score
0.3%
Top 80.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400CWE-770

Affected Products

OISF
oss-projectaka libhtp, suricata-update, suricata
suricataOn-premNetwork Device
Networking Infrastructure / firewall
Open Information Security Foundation
oss-projectaka ofis, libhtp, suricata
SuricataOn-prem
Security Products / vuln-mgmt-scanner
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/OISF/suricata/security/advisories/GHSA-vxrp-5pg7-7v4x
github.com
https://redmine.openinfosecfoundation.org/issues/8289
redmine.openinfosecfoundation.org

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