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...

EEF-CVE-2026-49755 Decompression bomb DoS in Req via auto-decoded archive and compressed response bodies

Summary Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decode\body/1 and...

TencentOS Server 4: perl-Archive-Tar (TSSA-2026:0424)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0424 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

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...

CVE-2026-41011

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...

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-2026-44885 Portainer: Path traversal in backup archive extraction allows arbitrary file write

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...

PT-2026-41308

Name of the Vulnerable Software and Affected Versions Vim versions prior to 9.2.0479 Description A command injection issue exists in the tarVimuntar function within runtime/autoload/tar.vim when decompressing .tgz archives on Unix-like systems. The function constructs :!gunzip and :!gzip -d...

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...