Threats Tagged 'cve-2025-64438'
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Threats Tagged 'cve-2025-64438'
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CVE-2025-64438: CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') in eProsima Fast-DDSCVE-2025-64438 0 Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group ). Prior to versions 3.4.1, 3.3.1, and 2.6.11, a remotely triggerable Out-of-Memory (OOM) denial-of-service exists in Fast -DDS when processing RTPS GAP submessages under RELIABLE QoS. By sending a tiny GAP packet with a huge gap range (`gapList .base - gapStart`), an attacker drives `StatefulReader::processGapMsg()` into an unbounded loop that inserts millions of s equence numbers into `WriterProxy::changes_received_` (`std::set`), causing multi-GB heap growth and process termination. No authentication is required beyond network reachability to the reader on the DDS domain. In environments without an RSS limit (non-ASan / unlimited), memory consumption was observed to rise to ~64 GB. Versions 3.4.1, 3.3.1, and 2.6.11 patch t he issue. Join the discussion | CVE Database V5 | 02/03/2026, 19:32:22 UTC Added: 02/03/2026, 19:45:12 UTC |
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