py7zr vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-55206Mediumpy7zr: py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()CVE-2026-55195Mediumpy7zr: py7zr: Decompression bomb (zip bomb) denial of service via unchecked extraction sizeCVE-2026-23879Highpy7zr: py7zr: Arbitrary File Write VulnerabilityCVE-2022-44900Criticalpy7zr: py7zr directory traversal vulnerability

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