Medium [CVE-2026-45287] Denial of Service due to file descriptor leak
This medium-severity Red Hat Linux advisory covers CVE-2026-45287 affecting buildah-main, skopeo-main, kubernetes1.
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Summary
Denial of Service due to file descriptor leak. Red Hat rates this low (CVSS 4).
Weakness: CWE-772. Affected package(s): buildah-main, skopeo-main, kubernetes1, containers-common-main, cosign-main, caddy-main.
Resolved in Red Hat advisory RHSA-2026:23263 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux.
- buildah-main-1.44.0-1.hum1
- skopeo-main-1.23.0-1.hum1
- kubernetes1-35-main-1.35.6-1.hum1
- containers-common-main-0.67.0-1.1.hum1
- cosign-main-3.1.1-0.1.hum1
- caddy-main-2.11.4-0.1.hum1
- syft-main-1.45.1-0.1.hum1
- trivy-main-0.69.3-1.2.hum1
- podman-main-5.8.2-1.1.hum1
- hugo-main-0.162.1-1.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:23263
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:23263 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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