CVE-2025-29917 – Suricata Large Memory Allocation Vulnerability

The following table lists the changes that have been made to the
CVE-2025-29917 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Apr. 10, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-770
    Added Reference https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0
    Added Reference https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9px
    Added Reference https://redmine.openinfosecfoundation.org/issues/7613
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