CVE-2025-64335 – Suricata is vulnerable to a null deref when used with base64_data

CVE ID : CVE-2025-64335

Published : Nov. 26, 2025, 11:15 p.m. | 1 hour, 6 minutes ago

Description : 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.

Severity: 7.5 | HIGH

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