Rack has quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header

Summary Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a response encoding, an unauthenticated attacker can send a single request with a crafted...

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...

AZL-81905 CVE-2026-34743 affecting package rust for versions less than 1.75.0-28

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...

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: 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...

NATS Server panic via malicious compression on leafnode port

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CVE-2026-34545

A flaw was found in OpenEXR, an image storage format for the motion picture industry. An attacker can exploit this vulnerability by providing a specially crafted .exr file with HTJ2K compression and a specific channel width. This allows controlled data to be written beyond the output heap buffer,...

Rack has quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header

Summary Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a response encoding, an unauthenticated attacker can send a single request with a crafted...

Linux Distros Unpatched Vulnerability : CVE-2026-34545

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version...

CVE-2026-34545

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

CVE-2026-34545

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

EUVD-2026-18062

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by multiple vulnerabilities due to urllib3

Summary The urllib3 library is used by IBM Cloud Pak for Data System 1.0 to provide HTTP client functionality for Python applications. Multiple vulnerabilities affect urllib3. CVE-2025-66418 involves allocation of resources without limits or throttling. CVE-2025-66471 and CVE-2026-21441 both rela...

CVE-2026-34545: Heap-based Buffer Overflow

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

K000160551: OpenSSL vulnerability CVE-2025-66199

Security Advisory Description Issue summary: A TLS 1.3 connection using certificate compression can be forced to allocate a large buffer before decompression without checking against the configured certificate size limit. Impact summary: An attacker can cause per-connection memory allocations of ...

CVE-2024-14031 Sereal::Encoder versions from 4.000 through 4.009_002 for Perl is vulnerable to a buffer overwrite flaw in the Zstandard library

Sereal::Encoder versions from 4.000 through 4.009002 for Perl is vulnerable to a buffer overwrite flaw in the Zstandard library. Sereal::Encoder embeds a version of the Zstandard zstd library that is vulnerable to CVE-2019-11922. This is a race condition in the one-pass compression functions of...

CVE-2024-14031

Sereal::Encoder versions from 4.000 through 4.009002 for Perl embeds a vulnerable version of the Zstandard library. Sereal::Encoder embeds a version of the Zstandard zstd library that is vulnerable to CVE-2019-11922. This is a race condition in the one-pass compression functions of Zstandard prio...

CVE-2024-14030

Sereal::Decoder versions from 4.000 through 4.009002 for Perl embeds a vulnerable version of the Zstandard library. Sereal::Decoder embeds a version of the Zstandard zstd library that is vulnerable to CVE-2019-11922. This is a race condition in the one-pass compression functions of Zstandard prio...

CVE-2024-14030

Sereal::Decoder versions from 4.000 through 4.009002 for Perl is vulnerable to a buffer overwrite flaw in the Zstandard library. Sereal::Decoder embeds a version of the Zstandard zstd library that is vulnerable to CVE-2019-11922. This is a race condition in the one-pass compression functions of...

PT-2026-29223

Name of the Vulnerable Software and Affected Versions Sereal::Encoder versions 4.000 through 4.009 002 Description Sereal::Encoder for Perl includes a vulnerable version of the Zstandard zstd library. A race condition exists in the one-pass compression functions of Zstandard versions prior to...