Important: ruby3.4

Issue Overview: 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 zstreambufferungets function prepends caller-provided bytes ahead of previously...

DEBIAN-CVE-2026-27820

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 zstreambufferungets function prepends caller-provided bytes ahead of previously produced output but...

UBUNTU-CVE-2026-27820

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 zstreambufferungets function prepends caller-provided bytes ahead of previously produced output but...

OPENSUSE-SU-2026:20487-1 Security update for zlib

This update for zlib fixes the following issues: - CVE-2026-27171: Fixed an infinite loop via the crc32combine64 and crc32combinegen64 functions due to missing checks for negative lengths. bsc1258392 - CVE-2023-45853: Fixed an integer overflow and resultant heap-based buffer overflow in...

[SECURITY] Fedora 42 Update: mingw-zlib-1.3.2-1.fc42

MinGW Windows zlib compression library...

[SECURITY] Fedora 43 Update: mingw-zlib-1.3.2-1.fc43

MinGW Windows zlib compression library...

Linux Distros Unpatched Vulnerability : CVE-2026-3381

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library...

EUVD-2026-9520

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for...

AZL-79446 CVE-2026-3381 affecting package sudo 1.9.17-1

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for...

AZL-79245 CVE-2026-3381 affecting package deltarpm 3.6.2-7

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for...

AZL-79242 CVE-2026-3381 affecting package clucene 2.3.3.4-38

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for...

PT-2026-23124

Name of the Vulnerable Software and Affected Versions Compress::Raw::Zlib versions through 2.219 Description The software includes a copy of the zlib library, and versions up to 2.219 may use potentially insecure versions of zlib. Version 2.220 includes zlib 1.3.2, which addresses findings from a...

PT-2026-23418

Name of the Vulnerable Software and Affected Versions Zlib versions prior to the patched version. Description A buffer overflow issue exists in the Zlib::GzipReader component. The vulnerability could potentially allow for unexpected behavior. Recommendations Update to the patched version to resol...

CLSA-2026-1772454796 zlib: Fix of CVE-2016-9843

CVE-2016-9843: avoid pre-decrement of pointer in big-endian CRC calculation...

K000160077: Zlib vulnerability CVE-2026-22184

Security Advisory Description 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 wh...

PT-2026-4862

Out-of-bounds Write, Buffer Copy without Checking Size of Input 'Classic Buffer Overflow' vulnerability in azerothcore azerothcore-wotlk deps/zlib modules. This vulnerability is associated with program files inflate.C. This issue affects azerothcore-wotlk: through v4.0.0...

Ubuntu: Security Advisory (USN-7959-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Updated zlib packages fix security vulnerability

zlib = 1.3.1.2 untgz Global Buffer Overflow in TGZfname. CVE-2026-22184...

AZL-73994 CVE-2026-22184 affecting package deltarpm 3.6.5-2

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...

AZL-73991 CVE-2026-22184 affecting package blosc 1.21.6-1

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...