What is CVE-2025-64335?

CVE-2025-64335 is a high-severity vulnerability in Oisf Suricata, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-11-26.

How severe is CVE-2025-64335?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Oisf Suricata

CVE-2025-64335

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…

EPSS: 0.001 (26.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Oisf Suricata — versions >= 8.0.0, < 8.0.2

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

https://github.com/OISF/suricata/security/advisories/GHSA-v299-h7p3-q4f2 (x_refsource_CONFIRM)
https://github.com/OISF/suricata/commit/c935f08cd988600fd0a4f828a585b181dd5de012 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-64335?: CVE-2025-64335 is a high-severity vulnerability in Oisf Suricata, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-11-26.
How severe is CVE-2025-64335?: High severity. CVSS v3 base score is 7.5 out of 10.