Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip — CVE-2024-24790

Summary

Advisory CVE-2024-24790. Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip Vendor: Microsoft. Source: MSRC. Threat: critical. CVSS 9.8. See the official advisory for details.

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

Read the official source

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