HIGH 7.5 Microsoft
CVE-2026-32665
Remote DNS-over-QUIC denial of service due to `quic-size` budget bypass
Microsoft Security Update 2026-Jul: Remote DNS-over-QUIC denial of service due to `quic-size` budget bypass
Affected Products
- azl3 unbound 1.25.1-1 on Azure Linux 3.0
Remediation
$ sudo apt install --only-upgrade unboundReferences
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32665
- https://nvd.nist.gov/vuln/detail/CVE-2026-32665
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-07-14 via Microsoft. A remediation command is available below. Affected: azl3 unbound 1.25.1-1 on Azure Linux 3.0.
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