Medium [CVE-2026-41991] Arbitrary file overwrite via insecure temporary file handling in gzexe utility
This medium-severity Red Hat Linux advisory covers CVE-2026-41991.
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Summary
Arbitrary file overwrite via insecure temporary file handling in gzexe utility. Red Hat rates this moderate (CVSS 6).
Weakness: CWE-59. Red Hat lists fixing advisory RHSA-2026:33771 with package gzip-main-1.14-2.2.hum1.
- gzip-main-1.14-2.2.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- gzip-main-1.14-2.2.hum1
- RHSA-2026:33771
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Ensure that the mktemp utility (provided by the coreutils package) is available in PATH when using the gzexe utility. On Red Hat Enterprise Linux, mktemp is installed by default and no additional action is needed.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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