Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the…
Priority MEDIUM 64Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the CopyISOLatin1Lowered function, allows local or remote authenticated users to execute arbitrary code via a malformed entry in the font alias (font.alias) file, a different vulnerability than CVE-2004-0083 and CVE-2004-0106.
Why it matters now
EPSS 0.24863 97th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xfree86_project:x11r6:4.1.0:*:*:*:*:*:*:* | 4.1.0 | Vulnerable | Xfree86 Project |
| cpe:2.3:a:xfree86_project:x11r6:4.1.11:*:*:*:*:*:*:* | 4.1.11 | Vulnerable | Xfree86 Project |
| cpe:2.3:a:xfree86_project:x11r6:4.1.12:*:*:*:*:*:*:* | 4.1.12 | Vulnerable | Xfree86 Project |
| cpe:2.3:a:xfree86_project:x11r6:4.2.0:*:*:*:*:*:*:* | 4.2.0 | Vulnerable | Xfree86 Project |
| cpe:2.3:a:xfree86_project:x11r6:4.2.1:*:*:*:*:*:*:* | 4.2.1 | Vulnerable | Xfree86 Project |
| cpe:2.3:a:xfree86_project:x11r6:4.2.1:*:errata:*:*:*:*:* | 4.2.1 | Vulnerable | Xfree86 Project |
| cpe:2.3:a:xfree86_project:x11r6:4.3.0:*:*:*:*:*:*:* | 4.3.0 | Vulnerable | Xfree86 Project |
| cpe:2.3:o:openbsd:openbsd:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | OpenBSD |
| cpe:2.3:o:openbsd:openbsd:3.4:*:*:*:*:*:*:* | 3.4 | Vulnerable | OpenBSD |
- cpe:2.3:a:xfree86_project:x11r6:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Xfree86 Project
- cpe:2.3:a:xfree86_project:x11r6:4.1.11:*:*:*:*:*:*:* Versions 4.1.11 Vulnerable ·Xfree86 Project
- cpe:2.3:a:xfree86_project:x11r6:4.1.12:*:*:*:*:*:*:* Versions 4.1.12 Vulnerable ·Xfree86 Project
- cpe:2.3:a:xfree86_project:x11r6:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Xfree86 Project
- cpe:2.3:a:xfree86_project:x11r6:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Xfree86 Project
- cpe:2.3:a:xfree86_project:x11r6:4.2.1:*:errata:*:*:*:*:* Versions 4.2.1 Vulnerable ·Xfree86 Project
- cpe:2.3:a:xfree86_project:x11r6:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Xfree86 Project
- cpe:2.3:o:openbsd:openbsd:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·OpenBSD
- cpe:2.3:o:openbsd:openbsd:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·OpenBSD
Remediation
Red Hat 3 advisories
- RHSA-2004:061 Released 2004-02-13 · Red Hat rating ImportantXFree86 security update
- Red Hat Desktop version 3 XFree86-100dpi-fonts-4.3.0-55.EL, XFree86-100dpi-fonts-4.3.0-55.EL.i386, XFree86-4.3.0-55.EL +47
- Red Hat Enterprise Linux AS version 3 XFree86-100dpi-fonts-4.3.0-55.EL, XFree86-100dpi-fonts-4.3.0-55.EL.i386, XFree86-100dpi-fonts-4.3.0-55.EL.ia64 +47
- Red Hat Enterprise Linux ES version 3 XFree86-100dpi-fonts-4.3.0-55.EL, XFree86-100dpi-fonts-4.3.0-55.EL.i386, XFree86-100dpi-fonts-4.3.0-55.EL.ia64 +47
- Red Hat Enterprise Linux WS version 3 XFree86-100dpi-fonts-4.3.0-55.EL, XFree86-100dpi-fonts-4.3.0-55.EL.i386, XFree86-100dpi-fonts-4.3.0-55.EL.ia64 +47
- RHSA-2004:060 Released 2004-02-13 · Red Hat rating ImportantXFree86 security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2004:059 Released 2004-02-13 · Red Hat rating Important: Updated XFree86 packages fix privilege escalation vulnerability
- Red Hat Linux 9
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2004:061 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2004:060 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2004:061 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2004:060 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2004:061 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2004:060 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2004:061 |
| Red Hat Linux 9 | Fixed | RHSA-2004:059 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2004:060 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0084
- 2026-10-03 Alias added: GHSA-4642-rff9-864v
References
Patch 2
Advisory 9
Sources
- CVE-2004-0084 · CVE Program
- CVE-2004-0084 · NVD
- FIRST EPSS
- GHSA-4642-rff9-864v · GitHub Advisory Database · CC BY 4.0
- CVE-2004-0084 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences