uutils coreutils has a Time-of-Check to Time-of-Use (TOCTOU) race condition

A Time-of-Check to Time-of-Use TOCTOU race condition exists in the mkfifo utility of uutils coreutils. The utility creates a FIFO and then performs a path-based chmod to set permissions. A local attacker with write access to the parent directory can swap the newly created FIFO for a symbolic link...

CVE-2026-35352

CVE-2026-35352 affects the mkfifo utility in uutils coreutils. A TOCTOU race exists: the tool creates a FIFO and then performs a path-based chmod. A local attacker with write access to the parent directory can replace the newly created FIFO with a symbolic link between the two operations, causing...

CVE-2026-35341

The CVE-2026-35341 entry concerns uutils coreutils mkfifo. The vulnerability arises when mkfifo tries to create a FIFO but a file already exists at the target path; the operation for that path does not terminate and a follow-up set_permissions call executes, changing the existing file’s permissio...

CVE-2009-3558

The posixmkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass openbasedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file...