EUVD-2026-34039

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

UBUNTU-CVE-2026-42504

Decoding a maliciously-crafted MIME header containing many invalid enc...

DEBIAN-CVE-2026-42504

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

CVE-2026-42504

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

CVE-2026-42504

CVE-2026-42504 affects the WordDecoder.DecodeHeader function in the mime package, where decoding a malicious MIME header with many invalid encoded-words leads to quadratic time complexity and potential high CPU usage. Public descriptions identify the root cause as quadratic complexity in that dec...

CVE-2026-42504 Quadratic complexity in WordDecoder.DecodeHeader in mime

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

CVE-2026-42504

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

CVE-2026-42504

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

CVE-2026-42504 Quadratic complexity in WordDecoder.DecodeHeader in mime

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

GO-2026-5038 Quadratic complexity in WordDecoder.DecodeHeader in mime

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

PT-2026-45874

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Decoding a maliciously-crafted MIME header containing many invalid encoded-words can lead to excessive CPU consumption. Recommendations At the moment, there is n...

GHSA-VQC8-7275-Q272 Symfony has Email Header Injection via Non-Token Characters in Mime Parameter Names

Description Symfony\Component\Mime\Header\ParameterizedHeader and the related parameter handling reachable from Symfony\Component\Mime\Header\Headers is responsible for serializing structured headers such as Content-Type and Content-Disposition, which carry key=value parameters e.g...

Symfony has Email Header Injection via Non-Token Characters in Mime Parameter Names

Description Symfony\Component\Mime\Header\ParameterizedHeader and the related parameter handling reachable from Symfony\Component\Mime\Header\Headers is responsible for serializing structured headers such as Content-Type and Content-Disposition, which carry key=value parameters e.g...

GHSA-QPMX-3RFJ-7RHV Symfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address

Description Symfony\Component\Mime\Address is the value-object every Symfony Mailer address to/cc/bcc/from/reply-to flows through; its constructor is documented as validating the address and throwing on invalid input, so developers treat it as a security boundary. The constructor accepts email...

CVE-2026-49102

Webmin before 2.640 allows mailboxes/detach.cgi XSS via an SVG document attachment that is viewed in the mailboxes component, because image/svg+xml is used instead of a safe type e.g., text/plain...

CVE-2026-49102

Webmin before 2.640 allows mailboxes/detach.cgi XSS via an SVG document attachment that is viewed in the mailboxes component, because image/svg+xml is used instead of a safe type e.g., text/plain...

Improper Encoding or Escaping of Output

Overview Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output that allows bypassing of the contenttypedenylist in the denylistedcontenttype? function. An attacker can upload files with MIME types containing unescaped regex metacharacters, including the + in...

GHSA-7G26-2QGJ-CHFG CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

Summary CarrierWave's contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. Note: CarrierWave is aware contenttypedenylist is deprecated for the security reason, but it still used by...

CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

Summary CarrierWave's contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. Note: CarrierWave is aware contenttypedenylist is deprecated for the security reason, but it still used by...

PT-2026-44030

Webmin before 2.640 allows mailboxes/detach.cgi XSS via an SVG document attachment that is viewed in the mailboxes component, because image/svg+xml is used instead of a safe type e.g., text/plain...