Unicode Consortium publishes UTS #39 version 18.0.0
Version 18.0.0, dated August 27, specifies identifier security profiles and confusable and mixed-script detection.
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Researchers Discover New Domain Spoofing Techniques That Bypass Chrome’s Phishing Protections
Researchers showed IDN lookalike domains can evade Chrome’s Unicode display and near-match phishing warnings.
New Unicode Characters Let Attackers Create Convincing Lookalike Domains for Phishing
Researchers showed Chromium can display Unicode brand lookalike domains as readable text, bypassing Punycode warnings.
CVE-2026-87080: Net::IDN::Punycode::PP versions before 2.590 for Perl decode a truncated label to a name containing a character it never encoded in decode_punycode
Net::IDN::Punycode::PP Perl module before 2.590 decodes truncated punycode labels into names containing characters that were never encoded.