CVE-1999-0131

Buffer overflow and denial of service in Sendmail 8.7.5 and earlier through GECOS field gives root access to local users.

Published: 1996-09-11 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0131 is rated Low Risk (37.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.10%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-1999-0131

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.04% 0.10% +0.05%
2 2023-03-07 0.89% 0.04% -0.85%
3 2022-02-04 0.89%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0131

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.9 10.0 [email protected]

Weakness enumeration for CVE-1999-0131

OS Trackers for CVE-1999-0131

vendor priority summary link
alpine CVE-1999-0131: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0131

Affected software / configurations for CVE-1999-0131

Vendor Product Version Raw CPE
eric_allman sendmail 8.6 cpe:2.3:a:eric_allman:sendmail:8.6:*:*:*:*:*:*:*
eric_allman sendmail 8.7.1 cpe:2.3:a:eric_allman:sendmail:8.7.1:*:*:*:*:*:*:*
eric_allman sendmail 8.7.2 cpe:2.3:a:eric_allman:sendmail:8.7.2:*:*:*:*:*:*:*
eric_allman sendmail 8.7.3 cpe:2.3:a:eric_allman:sendmail:8.7.3:*:*:*:*:*:*:*
eric_allman sendmail 8.7.4 cpe:2.3:a:eric_allman:sendmail:8.7.4:*:*:*:*:*:*:*
eric_allman sendmail 8.7.5 cpe:2.3:a:eric_allman:sendmail:8.7.5:*:*:*:*:*:*:*
bsdi bsd_os 2.1 cpe:2.3:o:bsdi:bsd_os:2.1:*:*:*:*:*:*:*
digital osf_1 1.3.2 cpe:2.3:o:digital:osf_1:1.3.2:*:*:*:*:*:*:*
freebsd freebsd 2.1.5 cpe:2.3:o:freebsd:freebsd:2.1.5:*:*:*:*:*:*:*
hp hp-ux 10.01 cpe:2.3:o:hp:hp-ux:10.01:*:*:*:*:*:*:*
hp hp-ux 10.10 cpe:2.3:o:hp:hp-ux:10.10:*:*:*:*:*:*:*
hp hp-ux 10.20 cpe:2.3:o:hp:hp-ux:10.20:*:*:*:*:*:*:*
ibm aix 3.2 cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
ibm aix 4.1 cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
ibm aix 4.2 cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
redhat linux 3.0.3 cpe:2.3:o:redhat:linux:3.0.3:*:*:*:*:*:*:*
sco internet_faststart 1.0 cpe:2.3:o:sco:internet_faststart:1.0:*:*:*:*:*:*:*
sco openserver 5.0 cpe:2.3:o:sco:openserver:5.0:*:*:*:*:*:*:*
sco openserver 5.0.2 cpe:2.3:o:sco:openserver:5.0.2:*:*:*:*:*:*:*

References for CVE-1999-0131

cvelogic Threat Intelligence