CVE-2025-63829
highpriority · track · 30EPSS 0.003 · 27 %ileEUUSEPSS · scored 2026-10-28
eProsima Fast-DDS v3.3 and before has an infinite loop vulnerability caused by integer overflow in the Time_t:: fraction() function.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-63829cnnvd
- https://gist.github.com/lkloliver/b00377bec754d4aa1dc731be210d5889cnnvd
- https://github.com/eProsima/Fast-DDS/blob/master/src/cpp/fastdds/core/Time_t.cpp#L67cnnvd
- https://github.com/eProsima/Fast-DDS/releasesPatchcnnvd
- https://gist.github.com/lkloliver/b00377bec754d4aa1dc731be210d5889enisa_euvd
- https://github.com/eProsima/Fast-DDS/blob/master/src/cpp/fastdds/core/Time_t.cpp#L67enisa_euvd
- https://gist.github.com/lkloliver/b00377bec754d4aa1dc731be210d5889ExploitMitigationThird Party Advisorynvd
- https://github.com/eProsima/Fast-DDS/blob/master/src/cpp/fastdds/core/Time_t.cpp#L67Productnvd
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