CVE-2026-75584

ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canonicalizePayloadBlock function in bpsecutil.c passes bundle-payload.length to zcoclone without...

CVE-2026-75584 ION-DTN < 4.2.1-a.1 Denial of Service via canonicalizePayloadBlock() Assertion

ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canonicalizePayloadBlock function in bpsecutil.c passes bundle-payload.length to zcoclone without...

CVE-2026-75584 ION-DTN < 4.2.1-a.1 Denial of Service via canonicalizePayloadBlock() Assertion

ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canonicalizePayloadBlock function in bpsecutil.c passes bundle-payload.length to zcoclone without...

CVE-2026-75584

ION-DTN before 4.2.1-a.1 contains a denial-of-service vulnerability in the canonicalizePayloadBlock() function in bpsec_util.c . The function passes bundle-&gt;payload.length to zco_clone() without validating it against zero. An unauthenticated remote attacker can send a BPv7 bundle with a zero-l...

CVE-2026-75584 ION-DTN < 4.2.1-a.1 Denial of Service via canonicalizePayloadBlock() Assertion

ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canonicalizePayloadBlock function in bpsecutil.c passes bundle-payload.length to zcoclone without...

EUVD-2026-75456

ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canonicalizePayloadBlock function in bpsecutil.c passes bundle-payload.length to zcoclone without...

PT-2026-89421

ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canonicalizePayloadBlock function in bpsec util.c passes bundle-payload.length to zco clone without...

CVE-2026-75584: Reachable Assertion

ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canonicalizePayloadBlock function in bpsecutil.c passes bundle-payload.length to zcoclone without...

CVE-2026-84484

ION-DTN versions before 4.2.0 contain an out-of-bounds read vulnerability in the decodeSdnv function that allows unauthenticated remote attackers to read memory by sending truncated SDNV values. Attackers can send a UDP datagram to the LTP link service input port with a truncated SDNV to trigger...

EUVD-2026-69796

ION-DTN versions before 4.2.0 contain an out-of-bounds read vulnerability in the decodeSdnv function that allows unauthenticated remote attackers to read memory by sending truncated SDNV values. Attackers can send a UDP datagram to the LTP link service input port with a truncated SDNV to trigger...

CVE-2026-84484

ION-DTN versions before 4.2.0 contain an out-of-bounds read vulnerability in the decodeSdnv function. An unauthenticated remote attacker can send a UDP datagram to the LTP link service input port with a truncated SDNV value, triggering reads up to nine bytes past buffer boundaries and underflowin...

CVE-2026-84484 ION-DTN before 4.2.0 Out-of-Bounds Read via decodeSdnv

ION-DTN versions before 4.2.0 contain an out-of-bounds read vulnerability in the decodeSdnv function that allows unauthenticated remote attackers to read memory by sending truncated SDNV values. Attackers can send a UDP datagram to the LTP link service input port with a truncated SDNV to trigger...

CVE-2026-84484 ION-DTN before 4.2.0 Out-of-Bounds Read via decodeSdnv

ION-DTN versions before 4.2.0 contain an out-of-bounds read vulnerability in the decodeSdnv function that allows unauthenticated remote attackers to read memory by sending truncated SDNV values. Attackers can send a UDP datagram to the LTP link service input port with a truncated SDNV to trigger...

CVE-2026-84484 ION-DTN before 4.2.0 Out-of-Bounds Read via decodeSdnv

ION-DTN versions before 4.2.0 contain an out-of-bounds read vulnerability in the decodeSdnv function that allows unauthenticated remote attackers to read memory by sending truncated SDNV values. Attackers can send a UDP datagram to the LTP link service input port with a truncated SDNV to trigger...

CVE-2026-84484: Out-of-bounds Read

ION-DTN versions before 4.2.0 contain an out-of-bounds read vulnerability in the decodeSdnv function that allows unauthenticated remote attackers to read memory by sending truncated SDNV values. Attackers can send a UDP datagram to the LTP link service input port with a truncated SDNV to trigger...

PT-2026-84586

ION-DTN versions before 4.2.0 contain an out-of-bounds read vulnerability in the decodeSdnv function that allows unauthenticated remote attackers to read memory by sending truncated SDNV values. Attackers can send a UDP datagram to the LTP link service input port with a truncated SDNV to trigger...

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: Memory Allocation with Excessive Size Value

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-2024-54130

The NASA’s Interplanetary Overlay Network ION is an implementation of Delay/Disruption Tolerant Networking DTN. A segmentation fault occurs with ION-DTN BPv7 software version 4.1.3 when a bundle with a Destination Endpoint ID EID set to dtn:none is received. This causes the node to become...

CVE-2024-54129

The NASA’s Interplanetary Overlay Network ION is an implementation of Delay/Disruption Tolerant Networking DTN. A vulnerability exists in the version ION-DTN BPv7 implementation version 4.1.3 when receiving a bundle with an improper reference to the imc scheme with valid Service-Specific Part SSP...