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CVE-2026-12245

8.7 high SSVC exploitation: none Analyzed
NVD · CVE.org

NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivially by sending a DNS query over a DoT connection, and closing the connection without reading the response.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.7 · nlnetlabsNVD modified 2026-10-25 23:10

Affected (CPE criteria) 1

  • cpe:2.3:a:nlnetlabs:nsd:*:*:*:*:*:*:*:*

References 1