What is CVE-2026-42009?

CVE-2026-42009 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Gnutls: gnutls: denial of service via dtls packet reordering vulnerability

Which CVE IDs does CVE-2026-42009 cover?

CVE-2026-42009 covers the following CVE IDs: CVE-2026-42009. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42009?

CVE-2026-42009 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-42009MediumCVSS 7.5

Gnutls: gnutls: denial of service via dtls packet reordering vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 26, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-42009 →