Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Datasets declared in rules have an option to specify the `hashsize` to use. This size setting isn't properly limited, so the hash table allocation can be large. Untrusted rules can lead to large memory allocations, potentially leading to denial of service due to resource starvation. This vulnerability is fixed in 7.0.9.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://github.com/OISF/suricata/security/advisories/GHSA-27g3-pmvp-j9cv
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/a7713db709b8a0be5fc5e5809ab58e9b14a16e85
Permissions Required x_refsource_misc
https://redmine.openinfosecfoundation.org/issues/7615
Scores
CVSS v3
6.2
EPSS
0.0006
EPSS Percentile
18.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/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
Status
published
Products (1)
oisf/suricata
< 7.0.9
Published
Apr 10, 2025
Tracked Since
Feb 18, 2026