Information disclosure via heap out-of-bounds read in RAR archive processing
Summary
Information disclosure via heap out-of-bounds read in RAR archive processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-125. 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`).
- libarchive-0:3.7.7-8.el10_1
- 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
- rhcos-418.94.202604240015-0
- rhpam-7/rhpam-kieserver-rhel8:7.13.5-4.1777325709
- rhaiis/vllm-rocm-rhel9:1778244531
- libarchive-0:3.3.3-5.el8_8.2
- rhpam-7/rhpam-smartrouter-rhel8:7.13.5-4.1777325708
- rhaiis/vllm-cuda-rhel9:1778274666
- rhui5/cds-kubernetes-tp-rhel9:1777459441
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
- RHSA-2026:20040
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:20040 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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