How severe is CVE-1999-0976?

CVE-1999-0976 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-1999-0976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0976?

CVE-1999-0976 affects Eric Allman Sendmail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0976?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-0976 published?

CVE-1999-0976 was published on 1999-12-07 and last updated on 2026-06-16.

CVE-1999-0976

CVE-1999-0976 is a low-severity vulnerability in Eric Allman Sendmail with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Eric Allman Sendmail
Published: 1999-12-07
Last modified: 2026-06-16

Description

Sendmail allows local users to reinitialize the aliases database via the newaliases command, then cause a denial of service by interrupting Sendmail.

Frequently asked questions

What is CVE-1999-0976?: Sendmail allows local users to reinitialize the aliases database via the newaliases command, then cause a denial of service by interrupting Sendmail.
How severe is CVE-1999-0976?: CVE-1999-0976 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-1999-0976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0976?: CVE-1999-0976 affects Eric Allman Sendmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0976 published?: CVE-1999-0976 was published on 1999-12-07 and last updated on 2026-06-16.

References

http://www.securityfocus.com/bid/857

Affected products (1)

cpe:2.3:a:eric_allman:sendmail:8.9.3:*:*:*:*:*:*:*

More vulnerabilities in Eric Allman Sendmail

CVE-1999-0047 — Critical (CVSS 10.0): MIME conversion buffer overflow in sendmail versions 8.8.3 and 8.8.4.
CVE-1999-0204 — Critical (CVSS 10.0): Sendmail 8.6.9 allows remote attackers to execute root commands, using ident.
CVE-1999-0206 — Critical (CVSS 10.0): MIME buffer overflow in Sendmail 8.8.0 and 8.8.1 gives root access.
CVE-1999-0203 — Critical (CVSS 10.0): In Sendmail, attackers can gain root privileges via SMTP by specifying an improper "mail from" address and an invalid…
CVE-1999-0095 — Critical (CVSS 10.0): The debug command in Sendmail is enabled, allowing attackers to execute commands as root.
CVE-1999-0163 — High (CVSS 7.2): In older versions of Sendmail, an attacker could use a pipe character to execute root commands.

All CVEs affecting Eric Allman Sendmail →