CVE-2025-29917

Summary

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.

Impact & exploitability

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0 ↗

Additional information

• NVD record
• https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0Patch
• https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9pxAdvisory
• https://redmine.openinfosecfoundation.org/issues/7613