CVE-2025-59150

Name: CVE-2025-59150
Creator: NVD / NIST
Published: 2025-10-01T21:16:43.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2025-59150 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Version 8.0.0's usage of the tls.subjectaltname keyword can lead to a segmentation fault when the decoded subjectaltname contains a NULL byte. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Version 8.0.0's usage of the tls.subjectaltname keyword can lead to a segmentation fault when the decoded subjectaltname contains a NULL byte. This issue is fixed in version 8.0.1. To workaround this issue, disable rules using the tls.subjectaltname keyword.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.48%

37.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Oisf	Suricata	8.0.0

References

https://forum.suricata.io/t/suricata-8-0-1-and-7-0-12-released/6018Release Notes
https://github.com/OISF/suricata/commit/d590fdfe42e995fd558315f0c24f9a352e21479dPatch
https://github.com/OISF/suricata/security/advisories/GHSA-mhv7-qfmj-m3f3Patch, Third Party Advisory
https://redmine.openinfosecfoundation.org/issues/7881Exploit, Issue Tracking, Vendor Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-59150-suricata-detection-script
https://www.vicarius.io/vsociety/posts/cve-2025-59150-suricata-mitigation-script

Timeline

Published: Oct 1, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-59150?

How severe is CVE-2025-59150?

CVE-2025-59150 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2025-59150?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-59150?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST