GHSA-J4XF-2G29-59PH tar-rs `unpack_in` can chmod arbitrary directories by following symlinks

Summary When unpacking a tar archive, the tar crate's unpackdir function uses fs::metadata to check whether a path that already exists is a directory. Because fs::metadata follows symbolic links, a crafted tarball containing a symlink entry followed by a directory entry with the same name causes...

CVE-2026-33056

tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpackdir function uses fs::metadata to check whether a path that already exists is a directory. Because fs::metadata follows symbolic links, a crafted tarball...

DEBIAN-CVE-2026-33056

tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpackdir function uses fs::metadata to check whether a path that already exists is a directory. Because fs::metadata follows symbolic links, a crafted tarball...

CVE-2026-33056

tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpackdir function uses fs::metadata to check whether a path that already exists is a directory. Because fs::metadata follows symbolic links, a crafted tarball...

CVE-2026-33056 tar-rs: unpack_in can chmod arbitrary directories by following symlinks

tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpackdir function uses fs::metadata to check whether a path that already exists is a directory. Because fs::metadata follows symbolic links, a crafted tarball...

CVE-2026-33056 tar-rs: unpack_in can chmod arbitrary directories by following symlinks

tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpackdir function uses fs::metadata to check whether a path that already exists is a directory. Because fs::metadata follows symbolic links, a crafted tarball...

CVE-2026-33056

tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpackdir function uses fs::metadata to check whether a path that already exists is a directory. Because fs::metadata follows symbolic links, a crafted tarball...

USN-5446-2 dpkg vulnerability

USN-5446-1 fixed a vulnerability in dpkg. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially...

USN-5446-1 dpkg vulnerability

Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially crafted source package, a remote attacker could modify files outside the target unpack directory, leading to a denial of service or...

Archive package allows chmod of file outside of unpack target directory

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jetty: local temporary directory hijacking vulnerability

In Eclipse Jetty versions 1.0 thru 9.4.32.v20200930, 10.0.0.alpha1 thru 10.0.0.beta2, and 11.0.0.alpha1 thru 11.0.0.beta2O, on Unix like systems, the system's temporary directory is shared between all users on that system. A collocated user can observe the process of creating a temporary sub...

USN-2242-1 dpkg vulnerabilities

It was discovered that dpkg incorrectly handled certain patches when unpacking source packages. If a user or an automated system were tricked into unpacking a specially crafted source package, a remote attacker could modify files outside the target unpack directory, leading to a denial of service...