Package impact

ruby RubyGems / zlib

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CVE Severity CVSS Risk Published Description Impact
CVE-2026-27820 critical 9.8 9.8 3mo ago zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The z… susedebianruby