CVE-2026-28421
CVE-2026-28421: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.3
Medium [CVE-2026-28421] Denial of service and information disclosure via crafted swap file
CVE-2026-28421Source published
Denial of service and information disclosure via crafted swap file. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-120. Affected package(s): rhcos, rhaiis/vllm-rocm-rhel9:1778244531, rhui5/cds-kubernetes-tp-rhel9:1777459441, rhui5/haproxy-rhel9:1776868744, rhui5/installer-rhel9:1776868772, vim. Resolved in Red Hat advisory RHSA-2026:6915 — update the affected packages (`sudo dnf update`).
- Related products — impact not confirmed
- Red Hat Enterprise Linux 1
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 7
6 more entries in the full advisory.
- Source-reported affected versions
- rhcos-414.92.202605060243-0
- rhcos-417.94.202605112123-0
- rhaiis/vllm-rocm-rhel9:1778244531
- rhcos-4.19.9.6.202604080618-0
8 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:6915
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:6915 (`sudo dnf update` / `yum update`).
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