CVE-2026-124001

NASA JPL ION-DTN versions 2.2.1b through 4.2.0 are vulnerable to an integer overflow in the Datagram Retransmission (DGR) convergence layer. A maliciously crafted 64-bit svcDataLength value can wrap a 32-bit allocation size calculation, leading to an unchecked memcpy operation in the dgr_receive ...