CVE-2025-1252 Memory corruption in Connext Professional

Medium 6.9 Published Updated

Heap-based buffer overflow in RTI Connext Professional Core Libraries allows attackers to cause denial of service or execute arbitrary code.

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-2025-1252?

CVE-2025-1252 is a medium-severity memory corruption vulnerability in RTI Connext Professional, published on 8 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags. This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.1.0 before 6.1.2.23, from 6.0.0 before 6.0.1.42, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.4d before 5.1.*.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2025-1252?

It affects 1 product.

Products include Rti Connext Professional.

How do I fix CVE-2025-1252?

No fix has been published for CVE-2025-1252 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-2025-1252 being exploited?

There is no known exploitation of CVE-2025-1252 in the wild and no public exploit code.

Sources

Also known as GHSA-7mcp-f35c-w4mw.

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