CVE-2025-64335
HIGH severity · CVSS 7.5 · CWE-476
7.5CVSS HIGH
Summary
Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/OISF/suricata/commit/c935f08cd988600fd0a4f828a585b181dd5de012 ↗
Additional information
- NVD record
- https://github.com/OISF/suricata/commit/c935f08cd988600fd0a4f828a585b181dd5de012Patch
- https://github.com/OISF/suricata/security/advisories/GHSA-v299-h7p3-q4f2Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-64335-detect-suricata-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2025-64335-mitigate-suricata-vulnerability