CVE-2004-0083

CVE-2004-0083 is a critical-severity vulnerability in Xfree86 Project X11r6 with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Buffer overflow in ReadFontAlias from dirfile.c of XFree86 4.1.0 through 4.3.0 allows local users and remote attackers to execute arbitrary code via a font alias file (font.alias) with a long token, a different vulnerability than CVE-2004-0084 and CVE-2004-0106.

Frequently asked questions

What is CVE-2004-0083?
Buffer overflow in ReadFontAlias from dirfile.c of XFree86 4.1.0 through 4.3.0 allows local users and remote attackers to execute arbitrary code via a font alias file (font.alias) with a long token, a different vulnerability than CVE-2004-0084 and CVE-2004-0106.
How severe is CVE-2004-0083?
CVE-2004-0083 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0083 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0083?
CVE-2004-0083 primarily affects Xfree86 Project X11r6. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0083?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0083 published?
CVE-2004-0083 was published on 2004-03-03 and last updated on 2026-06-16.

References

Affected products (9)

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