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Vulnerability record · CVE-2003-1303 · published 31 December 2003

CVE-2003-1303: Php vulnerability

Php · Php

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.

5.0 CVSS 2.0 Medium EPSS 12% · top 4.0%
5.0CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.php.net/bug.php?id=24150 Exploit
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175040 Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10346
http://bugs.php.net/bug.php?id=24150 Exploit
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175040 Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10346

Track CVE-2003-1303 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-1303), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.