CVE-2018-25222 SC v7.16 Stack-Based Buffer Overflow Remote Code Execution

High 8.6 Published Updated

Local attackers can execute arbitrary code via a stack-based buffer overflow in SC by supplying oversized input strings.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-25222?

CVE-2018-25222 is a high-severity memory corruption vulnerability in SC, published on 28 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

SC v7.16 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying oversized input that exceeds buffer boundaries. Attackers can craft malicious input strings exceeding 1052 bytes to overwrite the instruction pointer and execute shellcode in the application context.

Weakness: CWE-787

Which versions are affected by CVE-2018-25222?

How do I fix CVE-2018-25222?

No fix has been published for CVE-2018-25222 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-25222 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25222 exists.

Sources

Also known as DEBIAN-CVE-2018-25222, GHSA-g5hv-3r2w-5ch9, UBUNTU-CVE-2018-25222.

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