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CVE-2026-61815

CVE-2026-61815 · zbateson/mail-mime-parser has CRLF header injection via attachment filename

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zbateson/mail-mime-parser is a mail mime parser alternative to PHP's imap* functions and Pear libraries for reading messages in Internet Message Format RFC 822. Prior to version 3.0.6 and 4.0.2, CRLF (carriage-return / line-feed) header injection (CWE-93) affecting any application that uses this library to build or forward MIME messages with an attacker-influenced attachment filename. Attachment filenames are interpolated into the `Content-Type` and `Content-Disposition` header values without stripping CR/LF, so a filename containing `\r\n` serializes as one or more additional, attacker-controlled header lines (for example a forged `Bcc:` that silently exfiltrates a copy of the outgoing message). The untrusted filename can come directly from parsed inbound mail, so no local construction is required — an application that re-attaches or re-sends a parsed filename is exposed. Versions 3.0.6 and 4.0.2 patch the issue. Versions 1.x and 2.x are also affected but are end-of-life and will not receive patches; users on those lines should upgrade to a fixed release. If upgrading is not immediately possible, strip CR and LF from any filename before passing it to attachment APIs, and from the result of getFilename() before reusing it in a constructed message — e.g. preg_replace('/[\r\n]+/', ' ', $filename).

CVSS 7.2 · Hoch · EPSS 0,2% · Korrektur verfügbar

Veröffentlicht
Aktualisiert

Technologie-Stack: php

Betroffene Produkte und Versionen

  • mail-mime-parser

    Softwareversionen
    • < 3.0.6: Betroffen
    • >= 4.0.0, < 4.0.2: Betroffen

    Keine Korrektur veröffentlicht

  • zbateson/mail-mime-parser Packagist

    Softwareversionen
    • 0.1.0
    • 0.1.1
    • 0.2.0
    • 0.2.1
    • 0.2.2
    • 0.2.3
    • 0.2.4
    • 0.2.5
    • 0.3.0
    • 0.3.1
    • 0.3.2
    • 0.3.3
    • 0.4.0
    • 0.4.1
    • 0.4.10
    • 0.4.11
    • 0.4.12
    • 0.4.13
    • 0.4.2
    • 0.4.3
    • 0.4.4
    • 0.4.5
    • 0.4.6
    • 0.4.7
    • 0.4.8
    • 0.4.9
    • 1.0-alpha
    • 1.0-alpha.2
    • 1.0-beta
    • 1.0.0
    • 1.1.0
    • 1.1.1
    • 1.1.2
    • 1.1.3
    • 1.1.4
    • 1.1.5
    • 1.1.6
    • 1.1.7
    • 1.1.8
    • 1.2.0
    • 1.2.1
    • 1.2.2
    • 1.2.3
    • 1.3.0
    • 1.3.1
    • 1.3.2
    • 1.3.3
    • 2.0.0
    • 2.0.0-beta
    • 2.0.0-beta.1
    • 2.0.1
    • 2.1.0
    • 2.1.1
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.2.3
    • 2.3.0
    • 2.4.0
    • 2.4.1
    • 3.0.0
    • 3.0.0-beta
    • 3.0.0-beta.2
    • 3.0.1
    • 3.0.2
    • 3.0.3
    • 3.0.4
    • 3.0.5
    Betroffene Versionsbereiche
    • ECOSYSTEM: < 3.0.6

    Auf 3.0.6 aktualisieren

  • zbateson/mail-mime-parser Packagist

    Softwareversionen
    • 4.0.0
    • 4.0.1
    Betroffene Versionsbereiche
    • ECOSYSTEM: ≥ 4.0.0, < 4.0.2

    Auf 4.0.2 aktualisieren

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