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MEDIUM 5.3OpenSSL

CVE-2026-75806

Description

Issue summary: An established DTLS 1.2 association using an AEAD cipher suite can be terminated by a single unauthenticated datagram whose encrypted fragment is shorter than the mandatory explicit IV and authentication tag overhead. Impact summary: An attacker who can send a datagram that is routed to an existing DTLS 1.2 association can tear that association down without knowing any key material…

Description from NVD (National Vulnerability Database).

Product
OpenSSL
Severity
CVSS 5.3 · MEDIUM
Published
Source
NVD (National Vulnerability Database) · View on NVD

Severity is the CVSS score; the real impact depends on the version and configuration you run. Always check affected versions and fixes in the original advisory.