CVE-2026-5121
CVE-2026-5121: 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 severityHigh7.5
High [CVE-2026-5121] Arbitrary code execution via integer overflow in ISO9660 image processing
CVE-2026-5121Source published
Arbitrary code execution via integer overflow in ISO9660 image processing. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-190. Affected package(s): libarchive, rhcos, rhpam, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1778274666, rhui5/cds-kubernetes-tp-rhel9:1777459441. Resolved in Red Hat advisory RHSA-2026:20040 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat Enterprise Linux 8.2 Advanced Update Support
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
27 more entries in the full advisory.
- Source-reported affected versions
- libarchive-0:3.5.3-9.el9_7
- rhcos-414.92.202605060243-0
- rhpam-7/rhpam-controller-rhel8:7.13.5-4.1777325710
- rhcos-417.94.202605112123-0
8 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:20040
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:20040 (`sudo dnf update` / `yum update`).
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