Eric Allman Sendmail 8.6.11/8.6.12 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Eric Allman Sendmail 8.6.11/8.6.12. It has been classified as problematic. Affected is an unknown function. This manipulation causes denial of service. The identification of this vulnerability is CVE-1999-0205. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Eric Allman Sendmail 8.6.11/8.6.12 (Mail Server Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

Denial of service in Sendmail 8.6.11 and 8.6.12.

The issue has been introduced in 03/08/1995. The weakness was shared 01/01/1999. This vulnerability is known as CVE-1999-0205. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 323 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 8.6.13 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (1838) and Vulnerability Center (SBV-731†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Sendmail 8.6.13

Timelineinfo

03/08/1995 🔍
01/25/1996 +323 days 🔍
01/01/1999 +1072 days 🔍
01/01/1999 +0 days 🔍
01/01/1999 +0 days 🔍
01/26/2003 +1486 days 🔍
06/19/2014 +4162 days 🔍
04/17/2026 +4320 days 🔍

Sourcesinfo

Status: Confirmed

CVE: CVE-1999-0205 (🔍)
GCVE (CVE): GCVE-0-1999-0205
GCVE (VulDB): GCVE-100-14299
X-Force: 1838
Vulnerability Center: 731 - Sendmail versions 8.6.11 and 8.6.12 denial of service by destroying alias database, Medium

Entryinfo

Created: 06/19/2014 23:15
Updated: 04/17/2026 20:45
Changes: 06/19/2014 23:15 (49), 07/03/2017 09:12 (6), 04/17/2026 20:45 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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