The IMAP functionality in PHP before 4.3.1 allows remote attackers to cause a denial of…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
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.
Why it matters now
EPSS 0.01352 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:php:php:4.2:*:dev:*:*:*:*:* | 4.2 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:* | 4.2.0 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:* | 4.2.1 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:* | 4.2.2 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:* | 4.2.3 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:* | 4.3.0 | Vulnerable | PHP |
- cpe:2.3:a:php:php:4.2:*:dev:*:*:*:*:* Versions 4.2 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·PHP
Remediation
Red Hat 1 advisory
- RHSA-2006:0501 Released 2006-05-23 · Red Hat rating Moderatephp security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2006:0501 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2006:0501 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2006:0501 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2006:0501 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-1302
- 2026-10-03 Alias added: GHSA-jrmh-qf4p-w726
References
More Php vulnerabilities
- TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-78794 PHP remote code execution via stale global state KEVCVSS 4.0CRITICAL 9.2
- TI-2026-78793 Out-of-memory handling flaw in PHP allows remote code execution KEVCVSS 4.0CRITICAL 9.2
- TI-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0
Sources
- CVE-2003-1302 · CVE Program
- CVE-2003-1302 · NVD
- FIRST EPSS
- GHSA-jrmh-qf4p-w726 · GitHub Advisory Database · CC BY 4.0
- CVE-2003-1302 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences