Upstream 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.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having moderate severity.
| CVSS detail | CNA (GitHub) | National Vulnerability Database | 
|---|---|---|
| Base Score | 6.2 | 5.5 | 
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | 
| Attack Vector | Local | Local | 
| Attack Complexity | Low | Low | 
| Privileges Required | None | Low | 
| User Interaction | None | None | 
| Scope | Unchanged | Unchanged | 
| Confidentiality Impact | None | None | 
| Integrity Impact | None | None | 
| Availability Impact | High | High | 
| CVSSv3 Version | 3.1 | 3.1 | 
List of released packages
| Product(s) | Fixed package version(s) | References | 
|---|---|---|
| openSUSE Tumbleweed | 
 | Patchnames: openSUSE-Tumbleweed-2025-15394 | 
SUSE Timeline for this CVE
CVE page created: Fri Apr 11 00:01:26 2025CVE page last modified: Mon Oct 6 20:07:15 2025
