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CVE-2026-39821

🗓️ 05 Jun 2026 19:44:53Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 22 Views

CVE-2026-39821: IDNA ToASCII and ToUnicode accept punycode that decodes to ASCII, enabling privilege escalation.

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04 Aug 2026 13:07Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.18.2 - 9.6
EPSS0.00692
SSVC
22