CVE-2026-6676

CVE-2026-6676 is a heap-based out-of-bounds write in Avira Antivirus engine when scanning a malformed POSIX tar archive. Affects Windows, macOS, and Linux engine builds prior to 8.3.27.12. It may enable local code execution or cause a denial-of-service of the antivirus engine process. The descrip...

EUVD-2026-34197

PackagePersister.validatetgz builds "tar -tf tgz 2&1" where tgz = File.joinreleasedir, 'packages', "name.tgz" and name = packagemeta'name' comes directly from release.MF inside the uploaded tarball. The string is passed to Bosh::Common::Exec.sh, which executes via %x — i.e., /bin/sh -c. No...

golang: archive/tar: Unbounded allocation when parsing GNU sparse map

A flaw was found in the archive/tar package in the Go standard library. tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A specially crafted tar archive with a pax header indicating a big number of sparse regions can cause a Go...

CVE-2026-42496

A flaw was found in perl-Archive-Tar. Versions before 3.08 for Perl are vulnerable to a path traversal issue. An attacker can craft a malicious tar archive containing symlinks with targets outside the intended extraction directory. This vulnerability allows the attacker to read or write to...

Stack-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Stack-based Buffer Overflow in the rawtoheader function. An attacker can corrupt adjacent stack memory and potentially execute arbitrary code or cause a crash by supplying a crafted TAR archive with non-null-terminated name or linkname...

CVE-2026-43623 microtar 0.1.0 Stack-Based Buffer Overflow via raw_to_header()

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-2026-43623

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-2026-43623 microtar 0.1.0 Stack-Based Buffer Overflow via raw_to_header()

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...

OESA-2026-2497 python-pip security update

%changelog Thu Apr 9 2026 yixiangzhike [email protected] - 23.3.1-10 - Fix CVE-2026-25645 Security Fixes: pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavio...

CVE-2026-44885

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8, Portainer's backup restore feature accepts a .tar.gz archive and extracts it to a target...

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-2026-26978

CVE-2026-26978 affects FreePBX backups: in versions below 16.0.71 and 17.0.6, restoring a user-supplied tar archive can trigger deserialization of untrusted data via backup module, leading to Remote Code Execution as the web server user (e.g., asterisk/www-data). The issue arises when a malicious...

Microsoft APM: Windows absolute-path tar member overwrite during legacy-bundle probing in `apm install`

Summary 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 local .tar.gz that is not recognized as a plugin-format bundle, APM probes whether it is a...

Vim 操作系统命令注入漏洞

Vim is an open-source, cross-platform text editor developed by Vim. Prior to Vim 9.2.0479, there was a vulnerability related to operating system command injection. This vulnerability stemmed from the use of the shellescape tartail for constructing commands when the tarVimuntar function decompress...

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Overview docling is a SDK and CLI for parsing PDF, DOCX, HTML, and more, to a unified document representation for powering downstream workflows such as gen AI applications. Affected versions of this package are vulnerable to Improper Restriction of Recursive Entity References in DTDs 'XML Entity...

Incus has Unbounded YAML Metadata Decode via Parsing

Summary User provided image and backup tarballs would be unpacked and YAML files parsed without any size restrictions. This was making it easy for an authenticated user to provide a crafted image or backup tarball that when parsed by Incus would lead to a very large YAML document being loaded int...

EUVD-2026-25944

OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host...

PT-2026-34527

Summary The extractall function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path traversal protection on Python versions where tarfile.data filter is unavailable. Considering only Python versions which are still supported by Poetry, these are 3.10.0 - 3.10.12 and 3.11.0...

pip has an interpretation conflict due to handling both concatenated tar and ZIP files as ZIP files

pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing "incorrect" files according to the filename of the archive. New behavior only proceeds wit...

USN-8168-2: Rust vulnerability

USN-8168-1 fixed a vulnerability in Rust. This update provides the corresponding update to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that tar-rs embedded in rustc incorrectly handled symlinks when unpacking a tar archiv...