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ION-DTN (2.2.1b Through 4.2.0)

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high advisory

NASA JPL ION-DTN: Datagram Retransmission layer heap corruption (CVE-2026-124001)

NASA JPL ION-DTN versions 2.2.1b through 4.2.0 contain an integer overflow vulnerability in the DGR convergence layer that allows remote code execution via heap memory corruption.

ION-DTN
1t 1c