CVE-2007-1718

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

CRLF injection vulnerability in the mail function in PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 allows remote attackers to inject arbitrary e-mail headers and possibly conduct spam attacks via a control character immediately following folding of the (1) Subject or (2) To parameter, as demonstrated by a parameter containing a "\r\n\t\n" sequence, related to an increment bug in the SKIP_LONG_HEADER_SEP macro.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:C/A:N

Affected software

No affected versions have been published.

Timeline

Published
Mar 28, 2007
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2007-1718: High severity, CVSS 7.8 | Vulnix