CVE-2026-14316 Heap buffer overflow in boks_sshd revoked-key error handling

High 8.1 Published Updated

Heap buffer overflow in boks_sshd revoked-key error handling allows attackers to execute arbitrary code or cause denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-14316?

CVE-2026-14316 is a high-severity memory corruption vulnerability in Fortra Core Privileged Access Manager (BoKS), published on 1 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The revoked-key error path builds a human-readable failure reason using sprintf() into a heap buffer. The allocated buffer is too small for the final formatted message. When sprintf() writes the full message, it can write past the end of the heap allocation.

Weakness: CWE-122

Which versions are affected by CVE-2026-14316?

How do I fix CVE-2026-14316?

No fix has been published for CVE-2026-14316 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-2026-14316 being exploited?

There is no known exploitation of CVE-2026-14316 in the wild and no public exploit code.

Sources

Also known as GHSA-fw7m-8966-p5rr.

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