openSUSE 16 Security Update : perl-URI (openSUSE-SU-2026:21773-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:21773-1 advisory. This update for perl-URI fixes the following issue: - CVE-2026-19953: non-NFC host names encoded to non-standard punycode labels due to missing...

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep

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SUSE CVE-2026-19953

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...

CVE-2026-19953

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...

AZL-98562 CVE-2026-19953 affecting package perl-URI 5.21-2

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...

EUVD-2026-68681

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...

CVE-2026-19953

CVE-2026-19953 affects Perl URI versions before 5.36 . The root cause lies in the nameprep function, which lowercases host labels but omits the NFC Unicode normalization required by IDNA (RFC 5891) before punycode encoding. As a result, non-NFC host labels encode to a non-standard A-label that do...

CVE-2026-19953 URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...

CVE-2026-19953 URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...

CVE-2026-19953 URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...

PT-2026-83938

Name of the Vulnerable Software and Affected Versions URI for Perl versions prior to 5.36 Description Missing normalization in nameprep causes non-NFC host names to be encoded into non-standard punycode labels. While nameprep lowercases host labels, it fails to perform Unicode normalization to Fo...

Fedora 43 : perl-URI (2026-09941e744b)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-09941e744b advisory. 5.36 - Apply Unicode NFC normalization in URI::idna nameprep so IDNA host encoding matches other clients instead of emitting a non-standard, non-round-trippi...

Fedora 44 : perl-URI (2026-32b0d26c4c)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-32b0d26c4c advisory. 5.36 - Apply Unicode NFC normalization in URI::idna nameprep so IDNA host encoding matches other clients instead of emitting a non-standard, non-round-trippi...