UNIX vulnerabilities

1 known vulnerability in UNIX from AT&T Bell Labs. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.8 High severity

  UNIX: Buffer Copy without Checking Size of Input

  CVE-2025-71263Mar 13, 2026AT&T Bell Labs

  In UNIX Fourth Research Edition (v4), the su command is vulnerable to a buffer overflow due to the 'password' variable having a fixed size of 100 bytes. A local user can exploit this to gain root privileges. It is unlikely that UNIX v4 is running anywhere outs