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CVE-2005-1807

MediumPublished

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...

Published: Jun 1, 2005
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: May 28, 2005

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

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

EPSS probability estimate

4.5%

Low · next 30 days

Percentile: 91.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

PHPMailer 1.7 - 'Data()' Remote Denial of ServiceExploit
Mariano Nunez Di Croce · php · May 28, 2005

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