CVE-2003-1303: PHP

Medium severity, CVSS 5.0. EPSS: 12.1% chance of exploitation in the next 30 days.

Buffer overflow in the imap_fetch_overview function in the IMAP functionality (php_imap.c) in PHP before 4.3.3 allows remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a long e-mail address in a (1) To or (2) From header.

Affected products

• PHP PHP: version 4.3.0 only; version 4.3.1 only; version 4.3.2 only

Published 2003-12-31. Last modified 2026-06-16.