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net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

🗓️ 20 Jul 2026 19:33:17Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Go net LookupCNAME with cgo resolver may crash on long canonical name responses, causing DoS.

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22 Jul 2026 09:06Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.00813
SSVC
5