CVE-2025-59149

Suricata: Stack buffer overflow in rule parser when processing long keywords with transforms

Published Oct 1, 2025 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs 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:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Oisf
Oisf suricata
Vendors & Products Oisf
Oisf suricata
Type Values Removed Values Added
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.
Title Suricata: Stack buffer overflow in rule parser when processing long keywords with transforms
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Oct 1, 2025, 8:17 PM
Reserved
Sep 9, 2025, 3:23 PM
Status
Analyzed
Published
Oct 1, 2025, 8:18 PM
Modified
Oct 12, 2026, 3:10 PM