EUVD-2026-41089

Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the readwebdataset function. The defaultdecoder function in webdatasetdatasource.py unconditionally calls...

CVE-2026-57516

Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the readwebdataset function. The defaultdecoder function in webdatasetdatasource.py unconditionally calls...

Astra Linux – Vulnerability in Cpio

In all versions of cpio before 2.13, input files are not properly validated when generating TAR archives. When cpio is used to create TAR archives from paths that attackers can access, the resulting archive may contain files with permissions that the attacker does not have, or in paths to which t...

Astra Linux – Vulnerability found in Python 3.11, Python 2.7, and Python 3.7

There is a medium-severity vulnerability affecting CPython. Regular expressions that allow excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS through specifically crafted tar archives...

EUVD-2026-36631

Heap buffer out-of-bounds write vulnerability in Avira Antivirus engine when scanning a malformed POSIX tar archive may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before...

CVE-2026-6676

Heap buffer out-of-bounds write vulnerability in Avira Antivirus engine when scanning a malformed POSIX tar archive may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before...

CVE-2026-6676 Avira antivirus engine heap buffer OOB write when scanning a malformed POSIX tar archive

Heap buffer out-of-bounds write vulnerability in Avira Antivirus engine when scanning a malformed POSIX tar archive may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before...

PT-2026-49050

Name of the Vulnerable Software and Affected Versions Avira Antivirus versions prior to 8.3.27.12 Description A heap buffer out-of-bounds write occurs in the Avira Antivirus engine when scanning a malformed POSIX tar archive. This flaw may allow local execution of code or a denial-of-service of t...

libarchive: Buffer Overflow vulnerability in libarchive

A flaw was found in the libarchive package. Affected versions of libarchive do not check a strftime return value, which can lead to a denial of service or unspecified other impacts via a crafted TAR archive that is read with a verbose value of 2. For example, the 100-byte buffer may not be...

CVE-2026-39306

PraisonAI is a multi-agent teams system. Prior to 1.5.113, PraisonAI's recipe registry pull flow extracts attacker-controlled .praison tar archives with tar.extractall and does not validate archive member paths before extraction. A malicious publisher can upload a recipe bundle that contains ../...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : tar-fs vulnerabilities (USN-8367-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8367-1 advisory. It was discovered that tar-fs did not properly limit paths when extracting crafted tar files. An attacker could possibly use this iss...

CVE-2026-43623

microtar through 0.1.0 contains a stack-based buffer overflow vulnerability in the rawtoheader function in src/microtar.c that allows attackers to corrupt adjacent stack memory by supplying a crafted TAR archive with non-null-terminated name or linkname fields. The function uses strcpy to copy...

CVE-2026-44788

SharpCompress is a fully managed C library to deal with many compression types and formats. In 0.47.4 and earlier, a path traversal vulnerability in IArchive.WriteToDirectory allows a malicious archive to create directories outside the intended extraction root. For TAR archives, this can be...

CVE-2026-44788 SharpCompress: Directory traversal via directory entries in WriteToDirectory (zip slip variant)

SharpCompress is a fully managed C library to deal with many compression types and formats. In 0.47.4 and earlier, a path traversal vulnerability in IArchive.WriteToDirectory allows a malicious archive to create directories outside the intended extraction root. For TAR archives, this can be...

EUVD-2026-32013

SharpCompress is a fully managed C library to deal with many compression types and formats. In 0.47.4 and earlier, a path traversal vulnerability in IArchive.WriteToDirectory allows a malicious archive to create directories outside the intended extraction root. For TAR archives, this can be...

CVE-2026-44788 SharpCompress: Directory traversal via directory entries in WriteToDirectory (zip slip variant)

SharpCompress is a fully managed C library to deal with many compression types and formats. In 0.47.4 and earlier, a path traversal vulnerability in IArchive.WriteToDirectory allows a malicious archive to create directories outside the intended extraction root. For TAR archives, this can be...

Unity Linux 20.1060e / 20.1070e Security Update: ant (UTSA-2026-016617)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016617 advisory. When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even f...

node-tar: tar: node-tar: Arbitrary file creation via path traversal bypass in hardlink security check

A flaw was found in node-tar, a Node.js module for handling TAR archives. This vulnerability allows a remote attacker to bypass path traversal protections by crafting a malicious TAR archive. The security check for hardlink entries uses different path resolution logic than the actual hardlink...

EUVD-2026-30810

FreePBX is an open source IP PBX. In versions below 16.0.71 and 17.0.6, the backup module does not properly sanitize data during restore operations, potentially leading to compromise if the backup contains carefully crafted hostile data. During backup restore operations, FreePBX extracts selected...

CVE-2026-46383

Microsoft APM is an open-source, community-driven dependency manager for AI agents. Prior to 0.13.0, Microsoft APM contains a Windows-specific archive extraction boundary failure in the legacy-bundle probe used by apm install on supported Python 3.10 and 3.11 runtimes. When apm install is given a...