CVE-2026-46600: Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Jul
Released
2026-07-25
EPSS Score
0.34% (percentile: 26.4%)

Affected Products (2)

Open Source Software

  • azl3 golang 1.25.11-3 on Azure Linux 3.0
  • azl3 golang 1.26.4-3 on Azure Linux 3.0

Revision History

  • 2026-07-25: Information published.