CVE-1999-0900

CVE-1999-0900 is a high-severity vulnerability in Linux-nis Rpc.yppasswdd with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Buffer overflow in rpc.yppasswdd allows a local user to gain privileges via MD5 hash generation.

Frequently asked questions

What is CVE-1999-0900?
Buffer overflow in rpc.yppasswdd allows a local user to gain privileges via MD5 hash generation.
How severe is CVE-1999-0900?
CVE-1999-0900 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-0900 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0900?
CVE-1999-0900 affects Linux-nis Rpc.yppasswdd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0900?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-0900 published?
CVE-1999-0900 was published on 1999-10-23 and last updated on 2026-06-16.

References

Affected products (1)