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Vulnerability DatabaseCVE-2026-22184

CVE-2026-22184: 
NixOS vulnerability analysis and mitigation

zlib versions up to and including 1.3.1.2 include a global buffer overflow in the untgz utility located under contrib/untgz. The vulnerability is limited to the standalone demonstration utility and does not affect the core zlib compression library. The flaw occurs when a user executes the untgz command with an excessively long archive name supplied via the command line, leading to an out-of-bounds write in a fixed-size global buffer.

Source: NVD

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CVE ID

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Component name

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Has fix

Published date

CVE-2026-21010HIGH7.8
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