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...

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...

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->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...

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: 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...

PT-2026-89421

Name of the Vulnerable Software and Affected Versions ION-DTN versions prior to 4.2.1-a.1 Description A denial of service issue allows unauthenticated remote attackers to crash the ION process. This occurs when a BPv7 bundle with a zero-length payload is sent. Specifically, the...