CVE-2025-4582 Memory corruption in Connext Professional

Medium 4.8 Published Updated

An off-by-one error in RTI Connext Professional core libraries allows attackers to overread buffers and manipulate files.

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

What is CVE-2025-4582?

CVE-2025-4582 is a medium-severity memory corruption vulnerability in RTI Connext Professional, published on 23 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer Over-read, Off-by-one Error vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation, Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.6.0, from 7.0.0 before 7.3.0.8, from 6.1.0 before 6.1.2.26, from 6.0.0 before 6.0.1.43, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.4a before 5.1.*.

Weakness: CWE-193, CWE-126

Which versions are affected by CVE-2025-4582?

It affects 1 product.

Products include Rti Connext Professional.

How do I fix CVE-2025-4582?

No fix has been published for CVE-2025-4582 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-2025-4582 being exploited?

There is no known exploitation of CVE-2025-4582 in the wild and no public exploit code.

Sources

Also known as GHSA-mf34-h88r-wq9g.

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