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Vulnerability record · CVE-2005-1987 · published 13 October 2005

CVE-2005-1987: Microsoft exchange server classic buffer overflow vulnerability

Microsoft · Exchange Server

Buffer overflow in Collaboration Data Objects (CDO), as used in Microsoft Windows and Microsoft Exchange Server, allows remote attackers to execute arbitrary code when CDOSYS or CDOEX processes an e-mail message with a large header name, as demonstrated using the "Content-Type" string.

7.5 CVSS 2.0 High EPSS 44% · top 1.3% CWE-120 · Classic buffer overflow
7.5CVSS 2.0 base score
44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
38References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in Collaboration Data Objects (CDO), as used in Microsoft Windows and Microsoft Exchange Server, allows remote attackers to execute arbitrary code when CDOSYS or CDOEX processes an e-mail message with a large header name, as demonstrated using the "Content-Type" string.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/fulldisclosure/2005-10/0289.html Broken Link
http://marc.info/?l=bugtraq&m=112915118302012&w=2 Mailing ListThird Party Advisory
http://secunia.com/advisories/17167 Third Party Advisory
http://securitytracker.com/id?1015038 Third Party AdvisoryVDB Entry
http://securitytracker.com/id?1015039 Third Party AdvisoryVDB Entry
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ907245
http://www.kb.cert.org/vuls/id/883460 Third Party AdvisoryUS Government Resource
http://www.osvdb.org/19905 Broken Link
http://www.securityfocus.com/bid/15067 Third Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA05-284A.html Third Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-048 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/22495 Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1130 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1201 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1406 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1420 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1515 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A581 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A848 Third Party Advisory
http://archives.neohapsis.com/archives/fulldisclosure/2005-10/0289.html Broken Link
http://marc.info/?l=bugtraq&m=112915118302012&w=2 Mailing ListThird Party Advisory
http://secunia.com/advisories/17167 Third Party Advisory
http://securitytracker.com/id?1015038 Third Party AdvisoryVDB Entry
http://securitytracker.com/id?1015039 Third Party AdvisoryVDB Entry
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ907245
http://www.kb.cert.org/vuls/id/883460 Third Party AdvisoryUS Government Resource
http://www.osvdb.org/19905 Broken Link
http://www.securityfocus.com/bid/15067 Third Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA05-284A.html Third Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-048 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/22495 Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1130 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1201 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1406 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1420 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1515 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A581 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A848 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2005-1987), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.