cd zlib-1.2.13
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zlib1213tarxz represents a crucial security update for the Zlib library. If you are holding this file, it is likely the source code for the stable release of Zlib 1.2.13. It is safe to use, highly compressed, and recommended for any system requiring the DEFLATE algorithm implementation, provided you verify the SHA-256 hash before installation.
make check
wget https://github.com/madler/zlib/releases/download/v1.2.13/zlib-1.2.13.tar.xz
is an open-source, patent-free, lossless data-compression library designed by Jean-loup Gailly and Mark Adler. It provides in-memory compression and decompression functions using the DEFLATE algorithm, which is also the backbone of the GZIP file format.
CVE-2022-37434 is a vulnerability found in the inflate function within the inflate.c source file. A remote attacker could exploit this vulnerability by sending a specially crafted compressed stream that includes a large gzip header extra field. zlib1213tarxz
If your file is literally named zlib1213tarxz without dots, rename it:
After installation, you'll find:
zlib1213tarxz represents a key moment in the history of a foundational library. It provides a critical security fix and several key improvements, delivered in a space-efficient .tar.xz package. Using the steps outlined here, developers can confidently acquire, compile, and install this important update, ensuring the stability and security of the software that relies on it. cd zlib-1
: Always verify the checksum. For zlib 1.2.13, the SHA-256 hash is: b3a24de97a8fdbc835b9833169501030b8977031bcb54b3b3ac13740f846ab30
A massive, foundational software library used for data compression.
cd zlib-1.2.13
The impact of this flaw is severe. If successfully exploited, it could lead to an unexpected application termination (denial of service) or, in worst-case scenarios, allow the attacker to execute arbitrary code on the target system. This is precisely why the zlib 1.2.13 update was—and still is—critical.
The release of zlib 1.2.13 was primarily driven by the discovery of a severe security flaw found in previous versions (including 1.2.12).