CVE-2025-29917
Fixed in a distro release EPSS <1%CVSS 6.2
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.
Products: OISF suricata
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 13 | suricata | 1:7.0.9-1 |
| Debian 14 | suricata | 1:7.0.9-1 |
| Ubuntu 16.04 LTS | suricata | no fix |
| Ubuntu 18.04 LTS | suricata | no fix |
| Ubuntu 22.04 LTS | suricata | no fix |
| Ubuntu 24.04 LTS | suricata | no fix |
| Ubuntu 25.10 | suricata | no fix |
| Ubuntu 26.04 LTS | suricata | no fix |
| Ubuntu 26.10 | suricata | no fix |
| openSUSE Tumbleweed | suricata | 8.0.0-1.1 |