CVE-2025-63829 Integer overflow in n/a

Medium 5.3 Published Updated

An attacker can cause a denial of service via an infinite loop triggered by an integer overflow in the Fast-DDS library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-63829?

CVE-2025-63829 is a medium-severity vulnerability in n/a, published on 18 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

eProsima Fast-DDS v3.3 and before has an infinite loop vulnerability caused by integer overflow in the Time_t:: fraction() function.

Weakness: CWE-190, CWE-835

Which versions are affected by CVE-2025-63829?

It affects 1 product.

Products include Eprosima Fast Dds.

How do I fix CVE-2025-63829?

No fix has been published for CVE-2025-63829 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-63829 being exploited?

There is no known exploitation of CVE-2025-63829 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2025-63829, GHSA-8m8h-xwp6-pgjf, UBUNTU-CVE-2025-63829.

Is CVE-2025-63829 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free