Buffer overflow in the imap_fetch_overview function in the IMAP functionality…
Priority LOW 37Published · 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
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.
Why it matters now
EPSS 0.12122 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories
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
Remediation
Red Hat 2 advisories
- 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
- RHSA-2006:0276 Released 2006-04-25 · Red Hat rating Moderatephp security update
- Red Hat Desktop version 3 php-4.3.2-30.ent, php-4.3.2-30.ent.i386, php-devel-4.3.2-30.ent +11
- Red Hat Enterprise Linux AS version 3 php-4.3.2-30.ent, php-4.3.2-30.ent.i386, php-4.3.2-30.ent.ia64 +25
- Red Hat Enterprise Linux AS version 4 php-4.3.9-3.12, php-4.3.9-3.12.i386, php-4.3.9-3.12.ia64 +47
- Red Hat Enterprise Linux Desktop version 4 php-4.3.9-3.12, php-4.3.9-3.12.i386, php-devel-4.3.9-3.12 +25
- Red Hat Enterprise Linux ES version 3 php-4.3.2-30.ent, php-4.3.2-30.ent.i386, php-4.3.2-30.ent.ia64 +18
- Red Hat Enterprise Linux ES version 4 php-4.3.9-3.12, php-4.3.9-3.12.i386, php-4.3.9-3.12.ia64 +39
- Red Hat Enterprise Linux WS version 3 php-4.3.2-30.ent, php-4.3.2-30.ent.i386, php-4.3.2-30.ent.ia64 +18
- Red Hat Enterprise Linux WS version 4 php-4.3.9-3.12, php-4.3.9-3.12.i386, php-4.3.9-3.12.ia64 +39
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2006:0276 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2006:0501 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2006:0276 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2006:0276 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2006:0276 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2006:0501 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2006:0276 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2006:0276 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2006:0501 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2006:0276 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2006:0276 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2006:0501 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-1303
- 2026-10-03 Alias added: GHSA-ch3f-x93w-643v
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-2003-1303 · CVE Program
- CVE-2003-1303 · NVD
- FIRST EPSS
- GHSA-ch3f-x93w-643v · GitHub Advisory Database · CC BY 4.0
- CVE-2003-1303 · 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