CVE-1999-0778

CVE-1999-0778 is a high-severity vulnerability in Xi Graphics Accelerated-x Server 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 Xi Graphics Accelerated-X server allows local users to gain root access via a long display or query parameter.

Frequently asked questions

What is CVE-1999-0778?
Buffer overflow in Xi Graphics Accelerated-X server allows local users to gain root access via a long display or query parameter.
How severe is CVE-1999-0778?
CVE-1999-0778 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-0778 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0778?
CVE-1999-0778 primarily affects Xi Graphics Accelerated-x Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0778?
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-1999-0778 published?
CVE-1999-0778 was published on 1999-06-25 and last updated on 2026-06-16.

References

Affected products (2)