Medium5.0Red Hat & Ubuntu Linux
Information disclosure or denial of service via ungetwc function with specific wide character encodings
CVE-2026-5928 Published Apr 20, 2026
CVE-2026-5928
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Information disclosure or denial of service via ungetwc function with specific wide character encodings. Red Hat rates this moderate (CVSS 5). Weakness: CWE-125. Affected package(s): glibc-main. Resolved in Red Hat advisory RHSA-2026:12740 — update the affected packages (`sudo dnf update`).
Affected versions
- glibc-main-2.42-12.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:12740
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-2026:12740 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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