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TI-2025-43387 CVE-2025-71263 · GHSA-86j5-wh4f-79gm

Buffer overflow in AT&T Bell Labs UNIX

Priority LOW 35

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.

CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00202 · Published 2026-03-13 · No fix listed CWE-120

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