idna vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

Get a demo

Browse by ecosystem

npmPyPIMavenGoRubyGemsCargoNuGetComposerpubSwiftGitHub Actions
CVE-IDSeverityPackage summary
CVE-2026-45409Mediumidna: Internationalized Domain Names in Applications (IDNA): Specially crafted inputs to idna.encode() can bypass CVE-2024-3651 fixCVE-2024-12224Mediumidna: `idna` accepts Punycode labels that do not produce any non-ASCII when decodedCVE-2024-3651Mediumidna: Internationalized Domain Names in Applications (IDNA) vulnerable to denial of service from specially crafted inputs to idna.encode

Stop the waste.
Protect your environment with Kodem.