CVE-1999-0976
2.1 · LOWSendmail allows local users to reinitialize the aliases database via the newaliases command, then cause a denial of service by interrupting Sendmail.
Overview
CVE-1999-0976 is a low-severity vulnerability affecting eric_allman sendmail. It was published on December 7, 1999 and has a CVSS 2.0 base score of 2.1 (LOW).
This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical description
Sendmail allows local users to reinitialize the aliases database via the newaliases command, then cause a denial of service by interrupting Sendmail.
Remediation
Check the references section for vendor advisories and patches from eric_allman. Update sendmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|
How CyberStrike helps
Reason, not just scan
It reasons through your app's logic the way a human pentester would, so it finds flaws signature scanners miss.
Learn moreVerified findings
Every finding is proven exploitable before you see it, which cuts the false positives that bury real risk.
Learn moreAI-driven DAST and SAST
Probe running apps and read source from one engine, so issues are caught before and after they ship.
Learn moreOpen source
Read exactly how it tests and what it reports. CyberStrike is open source and in early access.
View the repo
Frequently asked questions
What is CVE-1999-0976?
CVE-1999-0976 is a low-severity vulnerability affecting eric_allman sendmail. It was published on December 7, 1999 and has a CVSS 2.0 base score of 2.1 (LOW).
How severe is CVE-1999-0976?
This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-1999-0976?
Check the references section for vendor advisories and patches from eric_allman. Update sendmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-1999-0976?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-1999-0976 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
Related LOW CVEs from 1999
View all- 3.7CVE-1999-0401
A race condition in Linux 2.2.1 allows local users to read arbitrary memory from /proc files.
View details - 3.6CVE-1999-1366
Pegasus e-mail client 3.0 and earlier uses weak encryption to store POP3 passwords in the pmail.ini
View details - 3.6CVE-1999-0703
OpenBSD, BSDI, and other Unix operating systems allow users to set chflags and fchflags on character
View details - 3.6CVE-1999-0885
Alibaba web server allows remote attackers to execute commands via a pipe character in a malformed U
View details - 3.6CVE-1999-1530
cgiwrap as used on Cobalt RaQ 2.0 and RaQ 3i does not properly identify the user for running certain
View details - 3.6CVE-1999-0828
UnixWare pkg commands such as pkginfo, pkgcat, and pkgparam allow local users to read arbitrary file
View details - 3.6CVE-1999-0850
The default permissions for Endymion MailMan allow local users to read email or modify files.
View details - 3.6CVE-1999-0825
The default permissions for UnixWare /var/mail allow local users to read and modify other users' mai
View details - 3.6CVE-1999-1300
Vulnerability in accton in Cray UNICOS 6.1 and 6.0 allows local users to read arbitrary files and mo
View details - 3.5CVE-1999-1590
Directory traversal vulnerability in Muhammad A. Muquit wwwcount (Count.cgi) 2.3 allows remote attac
View details - 2.6CVE-1999-1453
Internet Explorer 4 allows remote attackers (malicious web site operators) to read the contents of t
View details - 2.6CVE-1999-0396
A race condition between the select() and accept() calls in NetBSD TCP servers allows remote attacke
View details