Description
The php_if_imap_mime_header_decode function in the IMAP functionality in PHP before 4.2.2 allows remote attackers to cause a denial of service (crash) via an e-mail header with a long "To" header.
References
- http://bugs.php.net/bug.php?id=15595
- 21202 third-party-advisory
- RHSA-2006:0567 vendor-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175040