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OpenAdvisories
High · 7.5 CVE-2026-45766 EUVD-2026-75767

Suricata nfs: unbounded stateful structures can lead to resource exhaustion

Published Sep 10, 2026 · Updated Sep 11, 2026 · Assigned by GitHub_M

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, certain NFS parser state structures were insufficiently bounded. Crafted NFS traffic may cause Suricata to consume excessive memory, potentially resulting in denial of service. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, disable NFS application-layer parsing if it is not needed.

Affected products

VendorProductAffectedFixed
OISF suricata >= 8.0.0, < 8.0.5, < 7.0.16 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 suricata 1:8.0.5-1 —
Debian 13 suricata No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS suricata No fix yet —
Ubuntu 24.04 LTS suricata No fix yet —
Ubuntu 22.04 LTS suricata No fix yet —
Ubuntu 18.04 LTS suricata No fix yet —
Ubuntu 16.04 LTS suricata No fix yet —
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed suricata 8.0.5-1.1 openSUSE-SU-2026:10885-1

Advisories 1

References