PT-2025-47341 · Eprosima+1 · Fastdds+1

Lkloliver · Published 2025-11-18 · Updated 2025-11-19 · CVE-2025-63829

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions eProsima Fast-DDS versions prior to 3.4

Description An infinite loop condition exists in eProsima Fast-DDS due to an integer overflow within the Time t::fraction() function. This issue could potentially impact systems utilizing the software.

Recommendations Update to version 3.4 or later.

Exploit

Fix

Infinite Loop

Integer Overflow

Weakness Enumeration

CWE-835

CWE-190

Related Identifiers

CVE-2025-63829

Affected Products

Debian

Fastdds

References · 12

• 🔥 https://github.com/lkloliver/poc/tree/main/CVE-2025-63829 · Exploit
• 🔥 https://gist.github.com/lkloliver/b00377bec754d4aa1dc731be210d5889 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2025-63829 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-63829 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-63829 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-63829 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-63829 · Security Note
• https://ubuntu.com/security/CVE-2025-63829 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-63829 · Vendor Advisory
• https://github.com/eProsima/Fast-DDS/blob/master/src/cpp/fastdds/core/Time_t.cpp#L67 · Note
• https://twitter.com/CVEnew/status/1991066239322800619 · Twitter Post
• https://t.me/CVEtracker/37651 · Telegram Post