Fweimer

The `std::fs::remove dir all` standard library function in Rust is vulnerable to a race condition enabling symlink following. This issue allows an attacker to trick a privileged program into deleting files and directories that the attacker could not otherwise access or delete. The vulnerability is particularly dangerous when the affected application runs with elevated privileges, as it could lead to the deletion of important system files.

The issue is related to a use-after-free in the `copy string` function, which is called from `do uncompress block` and `process block` functions. This can allow a remote attacker to execute arbitrary code and affect the system, potentially leading to a denial of service. The vulnerability is associated with the use of memory after it has been freed.

The issue is related to a stack-based buffer overflow in the getpwnam and getgrnam functions of the NSS module nss-mymachines in systemd. This could potentially allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.