Network IDS Vulnerability in Suricata by Open Information Security Foundation
CVE-2025-59148

7.5HIGH

Key Information:

Vendor

Oisf

Status
Suricata
Vendor
CVE Published:
1 October 2025

What is CVE-2025-59148?

Suricata, a network intrusion detection and prevention system developed by the Open Information Security Foundation, is vulnerable in versions 8.0.0 and earlier due to improper handling of the entropy keyword when it is not associated with a 'sticky' buffer. This flaw can lead to a segmentation fault, affecting the application stability and performance. Users are advised to upgrade to version 8.0.1 to mitigate this vulnerability or disable rules that employ the entropy keyword while ensuring they are anchored to a sticky buffer as a temporary workaround.

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Affected Version(s)

suricata < 8.0.1

References

https://github.com/OISF/suricata/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/OISF/suricata/commit/9f32550e18f97ea5d...
x_refsource_MISC
https://forum.suricata.io/t/suricata-8-0-1-and-7-0-12-rel...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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