CVE-2025-61910 NASA ION-DTN BPv7 4.1.3s Uncontrolled Memory Allocation that leads to Denial-of-Service

The NASA’s Interplanetary Overlay Network ION is an implementation of Delay/Disruption Tolerant Networking DTN. A BPv7 bundle with a malformed extension block causes uncontrolled memory allocation inside ION-DTN 4.1.3s, leading to receiver thread termination and a Denial-of-Service DoS. The...

CVE-2025-61910

The CVE-2025-61910 issue affects NASA ION-DTN (BPv7) 4.1.3s. A malformed CBOR extension block in a BPv7 bundle can trigger uncontrolled memory allocation during parsing: the extension block’s fifth element (a byte string) is mishandled, and an unsigned blockLength is converted to a 32‑bit signed ...