CVE-2025-63829

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

18/11/2025

Last modified:

19/11/2025

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

5.30

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://gist.github.com/lkloliver/b00377bec754d4aa1dc731be210d5889
https://github.com/eProsima/Fast-DDS/blob/master/src/cpp/fastdds/core/Time_t.cpp#L67