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symfony/polyfill-intl-idn Security Advisories for v1.18.1 (1)
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CVE-2026-46644: symfony/polyfill-intl-idn accepts xn-- labels whose Punycode payload decodes to ASCII-only: insecure equivalence
PKSA-dwsq-ppd2-mb1x CVE-2026-46644
Affected version: >=1.17.1,<1.38.1
Reported by:
FriendsOfPHP/security-advisories