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...

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...

AZL-81800 CVE-2026-34743 affecting package xz for versions less than 5.4.4-3

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743 XZ Utils: Buffer overflow in lzma_index_append()

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

UBUNTU-CVE-2026-32829

lz4flex is a pure Rust implementation of LZ4 compression/decompression. In versions 0.11.5 and below, and 0.12.0, decompressing invalid LZ4 data can leak sensitive information from uninitialized memory or from previous decompression operations. The library fails to properly validate offset values...

lz4_flex security vulnerability

lz4flex is a high-performance LZ4 compression library written by PSeitz’s individual developers in the Rust language. Versions of lz4flex prior to 0.11.5 and 0.12.0 contain security vulnerabilities. These vulnerabilities stem from improper decompression of LZ4 data, leading to out-of-bounds read...

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

MinGW Windows zlib compression library...

AZL-79271 CVE-2026-3381 affecting package fltk 1.3.8-1

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...

CVE-2026-23044 PM: hibernate: Fix crash when freeing invalid crypto compressor

In the Linux kernel, the following vulnerability has been resolved: PM: hibernate: Fix crash when freeing invalid crypto compressor When cryptoallocacomp fails, it returns an ERRPTR value, not NULL. The cleanup code in savecompressedimage and loadcompressedimage unconditionally calls...

EUVD-2026-4830

Vulnerability in root-project root builtins/zlib modules. This vulnerability is associated with program files inffast.C. This issue affects root...

CVE-2026-24800 A heap-based buffer over-read or buffer overflow in tildearrow/furnace

Out-of-bounds Write, Buffer Copy without Checking Size of Input 'Classic Buffer Overflow' vulnerability in tildearrow furnace extern/zlib modules. This vulnerability is associated with program files inflate.C...

PT-2026-4869

Out-of-bounds Write, Buffer Copy without Checking Size of Input 'Classic Buffer Overflow' vulnerability in tildearrow furnace extern/zlib modules. This vulnerability is associated with program files inflate.C...

RLSA-2026:0752 Important: jmc security update

JDK Mission Control is a powerful profiler for HotSpot JVMs and has an advanced set of tools that enables efficient and detailed analysis of the extensive data collected by JDK Flight Recorder. The tool chain enables developers and administrators to collect and analyze data from Java applications...

jmc security update

8.2.0-4 - Bump LZ4 Version to 1.10.2. Related: RHEL-135478...

untgz Heap Buffer Overflow DoS

The vulnerability of the TGZfname function in the untgz utility from the zlib compression library is related to the copying of buffers without checking the size of the input data. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code or cause service interruptions...

PT-2026-2158

Name of the Vulnerable Software and Affected Versions zlib versions up to and including 1.3.1.2 Description zlib versions up to and including 1.3.1.2 contain a global buffer overflow in the untgz utility. The TGZfname function uses an unbounded strcpy call to copy an attacker-supplied archive nam...

cc.ddrpa.dorian.polystash:polystash-spring-boot-starter (>=1.0.0, <=1.0.1), com.alibaba.fastjson2:fastjson2-extension (>=2.0.27, <=2.0.66) +46 more potentially affected by CVE-2025-12183 +1 more via org.lz4:lz4-pure-java (1.8.0)

org.lz4:lz4-pure-java MAVEN version 1.8.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.lz4:lz4-pure-java and may be impacted: - cc.ddrpa.dorian.polystash:polystash-spring-boot-starter =1.0.0, =2.0.27, =0.3.1, =0.40.8-public, =0.40.8-public,...

Open Babel File Format Conversion Buffer Overflow DoS

The vulnerability of the zlibstream::basicunzipstreambuf::underflow function in software for file format conversion of chemical substances using Open Babel is related to the occurrence of operations outside the buffer’s memory boundaries. Exploiting this vulnerability could allow an attacker to...

CVE-2025-62813

CVE-2025-62813 corresponds to a vulnerability in LZ4 processing of untrusted frames (CVE-2025-62813) that can cause a denial of service or other unspecified impact. Connected advisories show affected packages across Linux distributions: LZ4 (versions less than 1.9.4-2 on Amazon Linux 2/ALAS2 and ...