High7.5Vendor: MediumRed Hat & Ubuntu Linux
Double-Free Vulnerability in RAR5 Decompression Logic via dangling filtered_buf pointer in init_unpack()
CVE-2026-14164 Published May 24, 2026
CVE-2026-14164
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Double-Free Vulnerability in RAR5 Decompression Logic via dangling filtered_buf pointer in init_unpack(). Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-415. Affected package(s): libarchive-main. Resolved in Red Hat advisory RHSA-2026:30333 — update the affected packages (`sudo dnf update`).
Affected versions
- libarchive-main-3.8.8-2.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:30333
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:30333 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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