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...

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...

Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna

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AZL-87393 CVE-2026-39821 affecting package cert-manager for versions less than 1.12.15-9

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode"xn--example-.com" incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege escalation in programs using the idna...

AZL-87798 CVE-2026-39821 affecting package golang for versions less than 1.26.4-3

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode"xn--example-.com" incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege escalation in programs using the idna...

EUVD-2005-0239

Malware in sbrugna...

EUVD-2005-0235

Malware in sbrugna...

EUVD-2023-54262

Malicious code in bioql PyPI...

CVE-2024-54158

In JetBrains YouTrack before 2024.3.52635 potential spoofing attack was possible via lack of Punycode encoding...

CVE-2023-4399

Grafana is an open-source platform for monitoring and observability. In Grafana Enterprise, Request security is a deny list that allows admins to configure Grafana in a way so that the instance doesn’t call specific hosts. However, the restriction can be bypassed used punycode encoding of the...

Unspecified Vulnerability in JetBrains YouTrack

JetBrains YouTrack is a project management tool, developed by JetBrains, supporting cloud hosting and local deployment, providing task management, team collaboration, time tracking and other features for software development, human resources and other scenarios. JetBrains YouTrack suffers from a...

The vulnerability of the JetBrains YouTrack project management and task management software, related to incorrect data encoding, allows attackers to perform spear-phishing attacks.

The vulnerability of the JetBrains YouTrack project management tool is related to incorrect Punycode data encoding. Exploiting this vulnerability could allow attackers to perform brute-force attacks remotely...

CVE-2024-54158

In JetBrains YouTrack before 2024.3.52635 potential spoofing attack was possible via lack of Punycode encoding...

CVE-2024-54158

In JetBrains YouTrack before 2024.3.52635 potential spoofing attack was possible via lack of Punycode encoding...

CVE-2024-54158

In JetBrains YouTrack before 2024.3.52635 potential spoofing attack was possible via lack of Punycode encoding...

CVE-2024-54158

CVE-2024-54158 is associated with JetBrains YouTrack prior to 2024.3.52635, where a spoofing attack was possible due to missing Punycode encoding. The connected Red Hat, CNVD, CVE lists and Nessus plugin entry corroborate the vulnerability in YouTrack versions before 2024.3.52635. The primary imp...

JetBrains YouTrack 安全漏洞

JetBrains YouTrack is a project management tool, developed by JetBrains, supporting cloud hosting and local deployment, providing task management, team collaboration, time tracking and other features for software development, human resources and other scenarios. JetBrains YouTrack suffers from a...