Infinite loop Affecting fast-dds package, versions [2.3.2,2.10.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-FASTDDS-15202456
- published4 Feb 2026
- disclosed3 Feb 2026
- creditUnknown
Introduced: 3 Feb 2026
CVE-2025-64438 (opens in a new tab)How to fix?
Upgrade fast-dds to version 2.10.1 or higher.
Overview
Affected versions of this package are vulnerable to Infinite loop via the processGapMsg function. An attacker can cause excessive memory consumption and process termination by sending a specially crafted GAP packet with a large gap range, leading to an unbounded loop that inserts millions of sequence numbers into changes_received_.