HIGHVulnerability
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 reads up to nine bytes past buffer boundaries and underflow byte counters.
Properties
- severity
- HIGH
- score
- 7.5
- cve_id
- CVE-2026-84484
- signal_observed_at
- 2026-09-23T22:44:43+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- published_at
- 2026-09-02T02:17:20.450
- last_modified
- 2026-09-23T17:17:43.880
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Out-of-bounds Read
DESCRIBED_BY (1)
→[Source]NVD
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