Security readout for executives and security teams
CVE-2003-1303 is an old PHP IMAP vulnerability. A very long To or From email address can crash affected PHP IMAP handling and may allow code execution. The evidence identifies PHP before 4.3.3, but provides no CVSS score or current exploitation evidence. Exposure is most likely in legacy systems running PHP before 4.3.3 with IMAP functionality enabled and applications that process untrusted email headers. Modern supported PHP deployments should not be assumed affected from the provided evidence. Treat this as a legacy-risk issue. It is urgent if any production system still runs PHP before 4.3.3 with IMAP enabled, because the impact may extend beyond crashes. If no such systems exist, priority is documentation and evidence retention. Mitigation focus: Inventory PHP systems and identify any versions before 4.3.3.; Upgrade affected PHP installations using vendor-supported packages.; Disable PHP IMAP functionality where it is not required..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2003-1303 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:10346CVE reference · vdb-entry, signature
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175040CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
