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CVE-2026-116541

8.2 high SSVC exploitation: none Published
NVD · CVE.org

Netty netty-tcnative before 2.0.84.Final contains a denial of service vulnerability in the tcn_write_to_bytebuffer BIO write callback that overreports bytes consumed. Remote TLS 1.3 peers can provoke queued post-handshake records like NewSessionTicket or KeyUpdate to truncate flights, fail connections, or abort the JVM process.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 8

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 19:48
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 20:17
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 14:59
  4. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 16:54
  5. StatusReceived → PublishedNVD modified 2026-10-26 14:59
  6. StatusPublished → ReceivedNVD modified 2026-10-26 16:17
  7. CVSS8.2 (v4.0, CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N) → 8.2 (v4.0, CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-26 16:17
  8. First seenCVSS 8.2 · nettyNVD modified 2026-10-26 14:59

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 6