MEDIUMCVSS v3.1 5.3Vulnerability
CVE-2026-116542
Netty netty-tcnative before 2.0.84.Final contains an SNI hostname spoofing vulnerability that allows remote unauthenticated clients to alter hostnames via JNI NewStringUTF decoding. Attackers can send overlong encodings like 0xC0 0x80 in the ClientHello server_name to confuse SNI-based certificate selection, access decisions, and logging.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-10-26T19:15:24.996242+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 5.3
- Retrieved at
- 2026-10-26T19:17:44+00:00
- Score
- 5.3
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-116542
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- First seen by Signal
- 2026-10-26T19:10:44+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Published at
- 2026-10-26T16:17:19.680
- Last modified
- 2026-10-26T16:54:08.707
Related Entities (1)
HAS_WEAKNESS (1)
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