MEDIUM
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
Published Jun 1, 2005
5.0
MEDIUMCVSS 2.0
EPSS 4.50%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.50% 0.04499
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04499
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.50% (0.04499) | 91.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.50% (0.04499) | 90.24th | v5 (v2026.06.15) |
| Apr 4, 2026 | 16.38% (0.16380) | 94.84th | v4 (v2025.03.14) |
| Mar 30, 2025 | 15.36% (0.15360) | 94.07th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.97% (0.12967) | 90.08th | v4 (v2025.03.14) |
| Mar 23, 2025 | 15.36% (0.15360) | 93.77th | v4 (v2025.03.14) |
| Mar 19, 2025 | 10.57% (0.10569) | 92.32th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.25% (0.09254) | 92.12th | v4 (v2025.03.14) |
| Dec 17, 2024 | 8.19% (0.08193) | 94.34th | v3 (v2023.03.01) |
| May 8, 2024 | 12.98% (0.12983) | 95.48th | v3 (v2023.03.01) |
| Sep 21, 2023 | 11.92% (0.11919) | 94.66th | v3 (v2023.03.01) |
| Apr 22, 2023 | 12.87% (0.12867) | 94.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 17.70% (0.17697) | 95.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.00% (0.10995) | 94.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.00% (0.10995) | 94.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.00% (0.10995) | 88.52th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (10)
- http://seclists.org/lists/bugtraq/2005/May/0337.html mailing-listx_refsource_BUGTRAQ
- http://secunia.com/advisories/15543 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/18732 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25726 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1014069 vdb-entryx_refsource_SECTRACKExploitVendor Advisory
- http://sourceforge.net/project/shownotes.php?release_id=341210&group_id=26031 x_refsource_CONFIRM
- http://www.cybsec.com/vuln/PHPMailer-DOS.pdf x_refsource_MISCExploitVendor Advisory
- http://www.securityfocus.com/bid/13805 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2006/0448 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/2242 vdb-entryx_refsource_VUPEN
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/lists/bugtraq/2005/May/0337.html | mailing-listx_refsource_BUGTRAQ | |
| http://secunia.com/advisories/15543 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/18732 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/25726 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1014069 | vdb-entryx_refsource_SECTRACKExploitVendor Advisory | |
| http://sourceforge.net/project/shownotes.php?release_id=341210&group_id=26031 | x_refsource_CONFIRM | |
| http://www.cybsec.com/vuln/PHPMailer-DOS.pdf | x_refsource_MISCExploitVendor Advisory | |
| http://www.securityfocus.com/bid/13805 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2006/0448 | vdb-entryx_refsource_VUPEN | |
| http://www.vupen.com/english/advisories/2007/2242 | vdb-entryx_refsource_VUPEN |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 1, 2005
Updated Aug 7, 2024
Reserved Jun 1, 2005
Link CVE-2005-1807
CISA Vulnrichment
Updated n/a