CVE-2025-29917 — Suricata decode_base64: signature can do large memory allocation
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 prope…
Published: 2025-04-10 · CVSS: 6.2 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7