PSF-2026-27

bz2.BZ2Decompressor objects could be reused after a decompression error. If an application caught the resulting OSError and retried with the same decompressor, crafted input could cause the decompressor to resume from an invalid internal state and perform out-of-bounds writes to a stack buffer...

CPython 安全漏洞

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has a security vulnerability that stems from the possibility of objects being reused after decompression errors. If an application catches an OSError and retries with the same decompressor, specially craft...

PT-2026-47453

Name of the Vulnerable Software and Affected Versions Python affected versions not specified Description bz2.BZ2Decompressor objects can be reused following a decompression error. If an application catches the resulting OSError and attempts to retry using the same decompressor, specially crafted...

CVE-2026-41567 Docker: `PUT /containers/{id}/archive` executes container binary on the host

Moby is an open source container framework. In versions prior to 29.5.1 and in moby/moby v2 prior to v2.0.0-beta.14, when a compressed archive is uploaded to a container via PUT /containers/id/archive or piped through docker cp -, the daemon resolves decompression binaries such as xz or unpigz fr...

Security Bulletin: IBM Operational Decision Manager for April 2026 - Multiple CVEs addressed

Summary In addition to many updates of operating system level packages, the following security vulnerabilities are addressed with IBM Operational Decision Manager Vulnerability Details CVEID:CVE-2024-29371 DESCRIPTION: In jose4j before 0.9.6, an attacker can cause a Denial-of-Service DoS conditio...

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...

JLSEC-2026-534

jp2/opjdecompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor. Triggering a double-free may also be possible. This is related to calling opjimagedestroy twice...

lz4-java: lz4-java: Information Disclosure via Insufficient Output Buffer Clearing

A flaw was found in lz4-java. This vulnerability allows disclosure of sensitive data via crafted compressed input due to insufficient clearing of the output buffer in Java-based decompressor implementations...

TencentOS Server 3: python3 (TSSA-2026:0369)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0369 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

CVE-2026-9501 GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section assertion

A vulnerability was determined in GNU LibreDWG up to 0.14. The impacted element is the function decompressR2004section of the file src/decode.c of the component Dwgread Utility. Executing a manipulation can lead to reachable assertion. The attack is restricted to local execution. The exploit has...

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...

Astra Linux – Vulnerability in openjpeg2

In OpenJPEG version 2.3.1, the jp2/opjdecompress.c file contains a use-after-free issue. This issue can occur if there is a mix of valid and invalid files in a directory that is processed by the decompressor. It is also possible for a double free to occur. This issue is related to calling...

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 SLES12 Security Update : python3 (SUSE-SU-2026:1937-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1937-1 advisory. This update for python3 fixes the following issue: - CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF bsc1261969. -...

GHSA-X86F-5XW2-FM2R Docker: `PUT /containers/{id}/archive` executes container binary on the host

Summary When a user uploads a compressed archive into a container, a malicious image can execute arbitrary code with daemon host root privileges. Details When handling PUT /containers/id/archive requests with compressed archives, the daemon decompresses them using external system binaries. Due to...

Docker: `PUT /containers/{id}/archive` executes container binary on the host

Summary When a user uploads a compressed archive into a container, a malicious image can execute arbitrary code with daemon host root privileges. Details When handling PUT /containers/id/archive requests with compressed archives, the daemon decompresses them using external system binaries. Due to...

SUSE-SU-2026:1937-1 Security update for python3

This update for python3 fixes the following issue: - CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF bsc1261969. - CVE-2026-3446: base64 decoding stops at first padded quad by default and ignores other information that could be processed bsc1261970. - CVE-2026-4786: URLs...

Alibaba Cloud Linux 3 : 0113: python3 (ALINUX3-SA-2026:0113)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0113 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-4786: Mitgation ofCVE-2026-4519 w...