How severe is CVE-2025-59149?

CVE-2025-59149 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-59149 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59149?

CVE-2025-59149 primarily affects Oisf Suricata. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-59149?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-59149 have an EU (EUVD) identifier?

Yes. CVE-2025-59149 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33224.

When was CVE-2025-59149 published?

CVE-2025-59149 was published on 2025-10-01 and last updated on 2026-06-17.

CVE-2025-59149

CVE-2025-59149 is a medium-severity vulnerability in Oisf Suricata with a CVSS 3.x base score of 6.2. 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-121.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-33224
Weakness: CWE-121
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. In version 8.0.0, rules using keyword ldap.responses.attribute_type (which is long) with transforms can lead to a stack buffer overflow during Suricata startup or during a rule reload. This issue is fixed in version 8.0.1. To workaround this issue, users can disable rules with ldap.responses.attribute_type and transforms.

Frequently asked questions

What is CVE-2025-59149?: Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In version 8.0.0, rules using keyword ldap.responses.attribute_type (which is long) with transforms can lead to a stack buffer overflow during Suricata startup or during a rule reload. This issue is fixed in version 8.0.1. To workaround this issue, users can disable rules with ldap.responses.attribute_type and transforms.
How severe is CVE-2025-59149?: CVE-2025-59149 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-59149 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59149?: CVE-2025-59149 primarily affects Oisf Suricata. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-59149?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59149 have an EU (EUVD) identifier?: Yes. CVE-2025-59149 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33224.
When was CVE-2025-59149 published?: CVE-2025-59149 was published on 2025-10-01 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:oisf:suricata:8.0.0:-:*:*:*:*:*:*
cpe:2.3:a:oisf:suricata:8.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:oisf:suricata:8.0.0:rc1:*:*:*:*:*:*

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