CVE-2025-1253 Memory corruption in Connext Professional
A stack-based buffer overflow in RTI Connext Professional 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-2025-1253?
CVE-2025-1253 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
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Stack-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 4.5c before 5.1.*.
Which versions are affected by CVE-2025-1253?
It affects 1 product.
Products include Rti Connext Professional.
How do I fix CVE-2025-1253?
No fix has been published for CVE-2025-1253 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-2025-1253 being exploited?
There is no known exploitation of CVE-2025-1253 in the wild and no public exploit code.
Other vulnerabilities in RTI Connext Professional
- CVE-2026-2467 Memory corruption in Connext Professional
- CVE-2026-3894 Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
- CVE-2024-52057 SQL injection in Connext Professional
- CVE-2026-7300 Memory corruption in Connext Professional
- CVE-2025-14543 XML external entity in Connext Professional
Sources
Also known as GHSA-3j4j-xg7r-jh7c.