Medium severity6.2NVD Advisory· Published Apr 10, 2025· Updated Jun 17, 2026
CVE-2025-29916
CVE-2025-29916
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.
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Affected products
4Patches
Vulnerability mechanics
References
3- github.com/OISF/suricata/commit/a7713db709b8a0be5fc5e5809ab58e9b14a16e85nvdPatch
- github.com/OISF/suricata/security/advisories/GHSA-27g3-pmvp-j9cvnvdVendor Advisory
- redmine.openinfosecfoundation.org/issues/7615nvdPermissions Required
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