Synced 07 Nov 2026 15:45 UTC Account
← All products

CVE-2003-1302

MEDIUM severity · CVSS 5
5CVSS MEDIUM

Summary

The IMAP functionality in PHP before 4.3.1 allows remote attackers to cause a denial of service via an e-mail message with a (1) To or (2) From header with an address that contains a large number of "\" (backslash) characters.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)1%

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

Affected products we track (1)

PHP

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175040 ↗