CVE-1999-1109
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series...
CVE-1999-1109 is a medium vulnerability (CVSS 5.0) in Sendmail, published December 22, 1999. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.17%, the 94th percentile. No source names a fixed version.
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.
Exploit likelihood
What each source reports
NVD Score used
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.
- Record
CVE-1999-1109- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.
- Record
CVE-1999-1109- Updated
- 2026-11-02
EUVDEUVD-1999-1090 No score
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.
- Record
EUVD-1999-1090- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jw39-vxm9-j3xr No score
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series...
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.
- Record
GHSA-jw39-vxm9-j3xr- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Eric Allman Sendmail 8.9.1/8.9.3 - ETRN Denial of Service | 1999-12-22 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |