CVE-2025-29917 Information

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.

Reference

https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0 https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9px https://redmine.openinfosecfoundation.org/issues/7613