Vulnerability Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oisf | Suricata | < 7.0.9 |
Related Weaknesses (CWE)
References
- https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0Patch
- https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9pxVendor Advisory
- https://redmine.openinfosecfoundation.org/issues/7613Permissions Required
FAQ
What is CVE-2025-29917?
CVE-2025-29917 is a vulnerability with a CVSS score of 6.2 (MEDIUM). Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to thi...
How severe is CVE-2025-29917?
CVE-2025-29917 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-29917?
Check the references section above for vendor advisories and patch information. Affected products include: Oisf Suricata.