Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).
References (8)
Core 8
Core References
Issue Tracking x_refsource_misc
https://redmine.openinfosecfoundation.org/issues/6900
Vendor Advisory x_refsource_confirm
https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fd
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5
Issue Tracking x_refsource_misc
https://redmine.openinfosecfoundation.org/issues/6892
Scores
CVSS v3
7.5
EPSS
0.0025
EPSS Percentile
48.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
CWE-400
Status
published
Products (1)
oisf/suricata
6.0.0 - 6.0.19
Published
May 07, 2024
Tracked Since
Feb 18, 2026