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...

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. -...

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...

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...

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...

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...

CVE-2026-42587

Netty CVE-2026-42587 affects HttpContentDecompressor and DelegatingDecompressorFrameListener. Before 4.2.13.Final and 4.1.133.Final, maxAllocation is enforced for gzip/deflate but ignored for br, zstd, or snappy, allowing an attacker to bypass the decompression limit via Content-Encoding: br and ...

CLSA-2026-1778147559 python3.11: Fix of CVE-2026-6100

CVE-2026-6100: fix possible use-after-free in bz2 and lzma decompressors...

SUSE-SU-2026:1818-1 Security update for python39

This update for python39 fixes the following issues: Security issues fixed: - 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...