UpHeron
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Servers and applications

CVE-2003-1303

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.

Severity
Medium 5.0
Published
31 Dec 2003
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
12% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 4.3.0
  • Version 4.3.1
  • Version 4.3.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2003-1303
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2003-1303