CVE-2026-42009: Dtls Duplicate Sequence Type Check
Simultaneously checking sequence number and message type (e.g. handshake type) to identify duplicate packets in a queue loop is unsafe. This pattern ignores duplicate sequence numbers that have mismatched types, leading to unstable packet sorting or Denial of Service (DoS) when invalid duplicated packets are improperly queued. Separate the conditions to chec
Cgreprules fetch cve-2026-42009-dtls-duplicate-sequence-type-check --engine opengrepDescription
Simultaneously checking sequence number and message type (e.g. handshake type) to identify duplicate packets in a queue loop is unsafe. This pattern ignores duplicate sequence numbers that have mismatched types, leading to unstable packet sorting or Denial of Service (DoS) when invalid duplicated packets are improperly queued. Separate the conditions to chec
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