Advisory severityHigh7.5Red Hat Linux

High [CVE-2026-45764] Suricata http2: protocol-change type confusion can lead to denial of service

This high-severity Red Hat Linux advisory covers CVE-2026-45764.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-45764 Source published Sep 10, 2026Source updated Sep 10, 2026

VulniPulse record published Sep 16, 2026Record updated Sep 22, 2026

CVE-2026-45764

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Summary

Suricata http2: protocol-change type confusion can lead to denial of service. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-843.

Affected versions

< 7.0.16
< 8.0.5

Official advisory · high-confidence parse· fetched 17 days ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 17 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Disable HTTP/2 parsing within the Suricata configuration file by setting the HTTP/2 protocol parser status to disabled if HTTP/2 inspection is not strictly required by the environment.

Official advisory · high-confidence parse· fetched 17 days ago·verify at source

Discussion(0)

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