CVE-2025-63829 — HIGH (7.5)

Q: What is CVE-2025-63829?

CVE-2025-63829 is a vulnerability with a CVSS score of 7.5 (HIGH). eProsima Fast-DDS v3.3 and before has an infinite loop vulnerability caused by integer overflow in the Time_t:: fraction() function.

Q: How severe is CVE-2025-63829?

CVE-2025-63829 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-63829?

Check the references section above for vendor advisories and patch information. Affected products include: Eprosima Fast Dds.

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Eprosima	Fast Dds	<= 3.3.0

Related Weaknesses (CWE)

CWE-835 CWE-190

References

https://gist.github.com/lkloliver/b00377bec754d4aa1dc731be210d5889ExploitThird Party AdvisoryMitigation
https://github.com/eProsima/Fast-DDS/blob/master/src/cpp/fastdds/core/Time_t.cppProduct

FAQ

What is CVE-2025-63829?

CVE-2025-63829 is a vulnerability with a CVSS score of 7.5 (HIGH). eProsima Fast-DDS v3.3 and before has an infinite loop vulnerability caused by integer overflow in the Time_t:: fraction() function.

How severe is CVE-2025-63829?

CVE-2025-63829 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-63829?

Check the references section above for vendor advisories and patch information. Affected products include: Eprosima Fast Dds.