CVE-2005-1807

NONECVSS 0.0Weaponized

0.0

The Data function in class.smtp.php in PHPMailer 1.7.2 and earlier allows remote attackers to cause a denial of service (infinite loop leading to memory and CPU consumption) via a long header field.

CVSS v3: —
EG Score: —
EPSS: 95.0%
KEV: Not listed

Published

May 28, 2005

Last Modified

April 16, 2026

References (20)

cve@mitrehttp://seclists.org/lists/bugtraq/2005/May/0337.html
cve@mitrehttp://secunia.com/advisories/15543
cve@mitrehttp://secunia.com/advisories/18732
cve@mitrehttp://secunia.com/advisories/25726
cve@mitrehttp://securitytracker.com/id?1014069
cve@mitrehttp://sourceforge.net/project/shownotes.php?release_id=341210&group_id=26031
cve@mitrehttp://www.cybsec.com/vuln/PHPMailer-DOS.pdf
cve@mitrehttp://www.securityfocus.com/bid/13805
cve@mitrehttp://www.vupen.com/english/advisories/2006/0448
cve@mitrehttp://www.vupen.com/english/advisories/2007/2242
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/lists/bugtraq/2005/May/0337.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/15543
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18732
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25726
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1014069

Data Freshness Timeline

(refreshed 12× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:25 UTCOSV refresh
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-25752✓ verified
First seen May 28, 2005
PHPMailer 1.7 - 'Data()' Remote Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2005-1807?

CVE-2005-1807 is a none vulnerability published on May 28, 2005. The Data function in class.smtp.php in PHPMailer 1.7.2 and earlier allows remote attackers to cause a denial of service (infinite loop leading to memory and CPU consumption) via a long header field.

When was CVE-2005-1807 disclosed?

CVE-2005-1807 was first published in the National Vulnerability Database on May 28, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2005-1807 actively exploited?

CVE-2005-1807 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-1807?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-1807, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2005-1807

📅 Published

🔄 Last Modified

🔗 References (20)