Medium6.5Red Hat & Ubuntu Linux
Heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file
CVE-2026-9149 Published May 20, 2026
CVE-2026-9149
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-122. Affected package(s): libsolv, libsolv-main. Resolved in Red Hat advisory RHSA-2026:28236 — update the affected packages (`sudo dnf update`).
Affected versions
- libsolv-0:0.7.33-5.el10_2
- libsolv-main-0.7.38-2.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:28236
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-2026:28236 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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