How severe is CVE-2025-59150?

CVE-2025-59150 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-59150 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59150?

CVE-2025-59150 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-59150?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-59150 have an EU (EUVD) identifier?

Yes. CVE-2025-59150 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33222.

When was CVE-2025-59150 published?

CVE-2025-59150 was published on 2025-10-01 and last updated on 2026-06-17.

CVE-2025-59150

CVE-2025-59150 is a high-severity vulnerability in Oisf Suricata with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-33222
Weakness: CWE-476
Affected product: Oisf Suricata
Published: 2025-10-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-59150?: 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.
How severe is CVE-2025-59150?: CVE-2025-59150 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-59150 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59150?: CVE-2025-59150 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-59150?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-59150 have an EU (EUVD) identifier?: Yes. CVE-2025-59150 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33222.
When was CVE-2025-59150 published?: CVE-2025-59150 was published on 2025-10-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oisf:suricata:8.0.0:*:*:*:*:*:*:*

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