Unrated severityNVD Advisory· Published Apr 10, 2025· Updated Apr 11, 2025
Suricata decode_base64: signature can do large memory allocation
CVE-2025-29917
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.
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Affected products
3Patches
Vulnerability mechanics
References
3- github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0mitrex_refsource_MISC
- github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9pxmitrex_refsource_CONFIRM
- redmine.openinfosecfoundation.org/issues/7613mitrex_refsource_MISC
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