Vulnerability details
CVE-2025-64335
OISF suricata
Suricata is vulnerable to a null deref when used with base64_data
CVSS 3.1
7.5High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| OISF | suricata | >= 8.0.0, < 8.0.2 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://github.com/OISF/suricata/security/advisories/GHSA-v299-h7p3-q4f2 x_refsource_CONFIRM
- https://github.com/OISF/suricata/commit/c935f08cd988600fd0a4f828a585b181dd5de012 x_refsource_MISC
- https://www.vicarius.io/vsociety/posts/cve-2025-64335-detect-suricata-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2025-64335-mitigate-suricata-vulnerability
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Details
- Published
- 2025-11-27
- Last updated
- 2025-12-12
- State
- Published
- Assigner (CNA)
- GitHub_M
Exploit prediction (EPSS)
0.44%
Probability of exploitation in 30 days
38.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-476NULL Pointer Dereference