https://seclists.org/oss-sec/2026/q1/368: Buffer overflow in /bin/su from UNIX v4
Published Mar 22, 2026
·Updated
Affected Software
1 affected component
Bell Labs UNIX Version 4 /bin/su=4, =4.5
Frequently Asked Questions
1
What is the severity of CVE-2026-12345?
The severity of CVE-2026-12345 is critical due to the potential for a buffer overflow that can lead to unauthorized access.
2
How do I fix CVE-2026-12345?
To fix CVE-2026-12345, upgrade to the latest patched version of Bell Labs UNIX Version 4.
3
What systems are affected by CVE-2026-12345?
CVE-2026-12345 specifically affects the /bin/su utility in Bell Labs UNIX Version 4.
4
What are the potential impacts of CVE-2026-12345?
The potential impacts of CVE-2026-12345 include privilege escalation and complete system compromise.
5
Is there a known exploit for CVE-2026-12345?
Yes, there are known exploits for CVE-2026-12345 that can leverage the buffer overflow vulnerability.