CVE-2025-59150
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-23

Assigner: GitHub, Inc.

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.
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Meta Information
Published
2025-10-01
Last Modified
2025-10-23
Generated
2026-06-16
AI Q&A
2025-10-01
EPSS Evaluated
2026-06-15
NVD
CVE-2025-59150
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
oisf suricata 8.0.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability in Suricata version 8.0.0 occurs when using the tls.subjectaltname keyword. If the decoded subjectaltname contains a NULL byte, it can cause a segmentation fault, leading to a crash or instability in the system. This issue is resolved in version 8.0.1, and a temporary workaround is to disable rules that use the tls.subjectaltname keyword.

Impact Analysis

The vulnerability can cause Suricata to crash or become unstable due to a segmentation fault when processing certain TLS subject alternative names containing NULL bytes. This can lead to denial of service (DoS) conditions, impacting network monitoring and security operations.

Mitigation Strategies

To mitigate this vulnerability, you should disable rules using the tls.subjectaltname keyword in Suricata version 8.0.0, or upgrade to Suricata version 8.0.1 where the issue is fixed.

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