Integer overflow in the build_range function in X.Org X Font Server (xfs) before 1.0.5…
Priority LOW 37CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Partial Red Hat: 12 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Integer overflow in the build_range function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values, which triggers a heap-based buffer overflow.
Why it matters now
EPSS 0.03975 90th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 12 fixed, 1 without a fix
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
Remediation
Red Hat 2 advisories
- RHSA-2008:0029 Released 2008-01-18 · Red Hat rating ImportantXFree86 security update
- Red Hat Desktop version 3 XFree86-100dpi-fonts-4.3.0-126.EL, XFree86-100dpi-fonts-4.3.0-126.EL.i386, XFree86-4.3.0-126.EL +47
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1 XFree86-100dpi-fonts-4.1.0-86.EL.i386, XFree86-100dpi-fonts-4.1.0-86.EL.ia64, XFree86-4.1.0-86.EL +37
- Red Hat Enterprise Linux AS version 3 XFree86-100dpi-fonts-4.3.0-126.EL, XFree86-100dpi-fonts-4.3.0-126.EL.i386, XFree86-100dpi-fonts-4.3.0-126.EL.ia64 +47
- Red Hat Enterprise Linux ES version 2.1 XFree86-100dpi-fonts-4.1.0-86.EL.i386, XFree86-4.1.0-86.EL, XFree86-4.1.0-86.EL.i386 +18
- Red Hat Enterprise Linux ES version 3 XFree86-100dpi-fonts-4.3.0-126.EL, XFree86-100dpi-fonts-4.3.0-126.EL.i386, XFree86-100dpi-fonts-4.3.0-126.EL.ia64 +47
- Red Hat Enterprise Linux WS version 2.1 XFree86-100dpi-fonts-4.1.0-86.EL.i386, XFree86-4.1.0-86.EL, XFree86-4.1.0-86.EL.i386 +18
- Red Hat Enterprise Linux WS version 3 XFree86-100dpi-fonts-4.3.0-126.EL, XFree86-100dpi-fonts-4.3.0-126.EL.i386, XFree86-100dpi-fonts-4.3.0-126.EL.ia64 +47
- Red Hat Linux Advanced Workstation 2.1 XFree86-100dpi-fonts-4.1.0-86.EL.ia64, XFree86-4.1.0-86.EL, XFree86-4.1.0-86.EL.ia64 +17
- RHSA-2008:0030 Released 2008-01-17 · Red Hat rating Importantxorg-x11 security update
- Red Hat Enterprise Linux AS version 4 xorg-x11-6.8.2-1.EL.33.0.2, xorg-x11-6.8.2-1.EL.33.0.2.i386, xorg-x11-6.8.2-1.EL.33.0.2.ia64 +47
- Red Hat Enterprise Linux Desktop version 4 xorg-x11-6.8.2-1.EL.33.0.2, xorg-x11-6.8.2-1.EL.33.0.2.i386, xorg-x11-Mesa-libGL-6.8.2-1.EL.33.0.2 +33
- Red Hat Enterprise Linux ES version 4 xorg-x11-6.8.2-1.EL.33.0.2, xorg-x11-6.8.2-1.EL.33.0.2.i386, xorg-x11-6.8.2-1.EL.33.0.2.ia64 +47
- Red Hat Enterprise Linux WS version 4 xorg-x11-6.8.2-1.EL.33.0.2, xorg-x11-6.8.2-1.EL.33.0.2.i386, xorg-x11-6.8.2-1.EL.33.0.2.ia64 +47
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Desktop version 3 | Fixed | RHSA-2008:0029 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2008:0029 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2008:0029 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2008:0030 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2008:0030 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2008:0029 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2008:0029 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2008:0030 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2008:0029 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2008:0029 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2008:0030 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2008:0029 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-4568
- 2026-10-03 Alias added: GHSA-j878-j5h9-9j88
References
Patch 2
Advisory 12
Other 11
- http://docs.info.apple.com/article.html?artnum=307430
- ADV-2008-0495
- ADV-2008-0924
- https://issues.rpath.com/browse/RPL-1756
- ADV-2007-3467
- http://bugs.gentoo.org/show_bug.cgi?id=194606
- ADV-2007-3338
- http://docs.info.apple.com/article.html?artnum=307562
- oval:org.mitre.oval:def:10882
- ADV-2007-3337
- http://bugs.freedesktop.org/show_bug.cgi?id=12298
More x.org X Font Server vulnerabilities
- TI-2007-04810 The swap_char2b function in X.Org X Font Server (xfs) before 1.0.5 allows… CVSS 2.0HIGH 7.5
Sources
- CVE-2007-4568 · CVE Program
- CVE-2007-4568 · NVD
- FIRST EPSS
- GHSA-j878-j5h9-9j88 · GitHub Advisory Database · CC BY 4.0
- CVE-2007-4568 · 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