Advisory severityHigh7.4Red Hat Linux

High [CVE-2026-42784] Cryptographic integrity compromise via key flag confusion

This high-severity Red Hat Linux advisory covers CVE-2026-42784; related products: Red Hat Hardened Images, Confidential Compute Attestation, Red Hat Ansible Automation Platform 2.

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

CVE-2026-42784 Source published Sep 16, 2026Source updated Sep 16, 2026

VulniPulse record published Sep 16, 2026Record updated Sep 23, 2026

CVE-2026-42784

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Summary

Cryptographic integrity compromise via key flag confusion. Red Hat rates this important (CVSS 7.4).

Weakness: CWE-347. Red Hat lists fixing advisory RHSA-2026:42902 with package rust-podman-sequoia-main-0.3.2-4.hum1.

Affected products named by the advisory: Red Hat Hardened Images; Confidential Compute Attestation; Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux 10; and 8 more.

Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat Satellite 6; Red Hat Trusted Profile Analyzer; and 4 more.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Fixed versions

rust-podman-sequoia-main-0.3.2-4.hum1
RHSA-2026:42902

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Red Hat Security Data APIofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://access.redhat.com/hydra/rest/securitydata/cve.json; this link opens the Red Hat Linux advisory index instead of the raw feed document.
Red Hat Linux
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Red Hat Linux
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-42784NVD CVE.org MITRE

Discussion(0)

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