CVE-2025-5688 – Microsoft Windows DNS Buffer Overflow Vulnerability

CVE ID : CVE-2025-5688

Published : June 4, 2025, 5:15 p.m. | 1 hour, 18 minutes ago

Description : We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.

Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.

Severity: 0.0 | NA

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