python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

SUSE CVE-2026-46483

Vim is an open source, command line text editor. Prior to 9.2.0479, a command injection vulnerability exists in tarVimuntar in runtime/autoload/tar.vim when decompressing .tgz archives on Unix-like systems. The function builds :!gunzip and :!gzip -d commands using shellescapetartail without the...

Amazon Linux 2 : python, --advisory ALAS2-2026-3280 (ALAS-2026-3280)

The version of python installed on the remote host is prior to 2.7.18-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3280 advisory. Mitgation of CVE-2026-4519 was incomplete. If the URL contained %action the mitigation could be bypassed for certain brows...

Important: python3

Issue Overview: Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open" API could have commands injected into the underlying shell. See CVE-2026-4519 for details. CVE-2026-4786 Use-after-free UAF wa...

CVE-2026-44432

urllib3 is an HTTP client library for Python. From 2.6.0 to before 2.7.0, urllib3 could decompress the whole response instead of the requested portion 1 during the second HTTPResponse.readamt=N call when the response was decompressed using the official Brotli library or 2 when...

Klever-Go MultiDataInterceptor has remote OOM via crafted compressed P2P payload

Summary A remote, unauthenticated denial-of-service vulnerability in Batch.Decompress data/batch/batch.go allows any peer that participates in a topic served by MultiDataInterceptor to allocate multi-gigabyte heaps on the receiving node from a sub-50 KiB gossip payload. A single packet is...

CVE-2026-42886 Audiobookshelf: Memory amplification DoS via oversized compressed details entry in backup upload

Audiobookshelf is a self-hosted audiobook and podcast server. Prior to 2.32.2, the POST /api/backups/upload endpoint decompresses the details entry from an uploaded .audiobookshelf ZIP file entirely into memory using zip.entryData, with no limit on the decompressed size. The upload middleware als...

CLSA-2026-1778047964 bzip2: Fix of CVE-2019-12900

CVE-2019-12900: fix out-of-bounds write in BZ2decompress many selectors...

The vulnerability of the rdp8_decompress_segment() function in the RDP protocol allows a hacker to cause a service failure. This vulnerability exists in the Wireshark network traffic analyzer software.

The vulnerability of the rdp8decompresssegment function in the RDP protocol analysis tool for computer network traffic analysis in Wireshark is related to the execution of operations outside the buffer boundaries in memory. Exploiting this vulnerability can allow attackers to cause service failur...

The vulnerability of the decompress_files() function on the platform for security monitoring and threat detection by Wazuh allows a perpetrator to execute arbitrary code.

The vulnerability of the decompressfiles function on the Wazuh security monitoring and threat detection platform is related to an incorrect restriction on the path name to the restricted catalog. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

CVE-2026-30893 Wazuh cluster sync path traversal in decompress_files() enables arbitrary file write and code execution from authenticated cluster peer

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.4.0 to before version 4.14.4, a path traversal vulnerability in Wazuh's cluster synchronization extraction routine allows an authenticated cluster peer to write arbitrary files outside the...

CVE-2026-30893 Wazuh cluster sync path traversal in decompress_files() enables arbitrary file write and code execution from authenticated cluster peer

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.4.0 to before version 4.14.4, a path traversal vulnerability in Wazuh's cluster synchronization extraction routine allows an authenticated cluster peer to write arbitrary files outside the...

python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

PT-2026-43126

Name of the Vulnerable Software and Affected Versions GNU LibreDWG versions prior to 0.15 Description The decompress R2004 section function within the src/decode.c file of the Dwgread Utility contains an uncontrolled reachable assertion. This issue allows a local attacker to cause a denial of...

FreeBSD : Python -- use-after-free vulnerability in decompressors under memory pressure (b8e9f33c-375d-11f1-a119-e36228bfe7d4)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the b8e9f33c-375d-11f1-a119-e36228bfe7d4 advisory. Seth Larson reports: There is a CRITICAL severity vulnerability affecting CPython. Use-after-free UAF w...

ROS-20260414-73-0061

A vulnerability in the f2fsdecompresscluster function of the fs/f2fs/compress.c module of the F2FS file system of the Linux kernel is related to insufficient resource locking. Exploitation of the vulnerability may allow an intruder to affect the integrity and availability of protected information...

CVE-2026-6100 Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure

Use-after-free UAF was possible in the lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile when a memory allocation fails with a MemoryError and the decompression instance is re-used. This scenario can be triggered if the process is under memory pressure. The fix cleans up the dangling...