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CoreDNS: rewrite-plugin EDNS0 response-revert nil-pointer panic (remote DoS) when a downstream plugin returns a response with no OPT record

🗓️ 18 Jul 2026 08:01:26Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 72 Views

CoreDNS rewrite plugin triggers panic in EDNS0 response revert when a plugin returns no OPT.

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21 Jul 2026 08:41Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15.3
EPSS0.00311
SSVC
72