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Fencer Vulns
medium 6.8

CVE-2007-4568 json

Integer overflow in the build_range function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitr…

published 2007-10-05 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4550

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.0%
EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

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.

Patch / fix

  • xorg-x11 RHEL 4 6.8.2-1.EL.33.0.2
  • xorg-x11-sdk RHEL 4 6.8.2-1.EL.33.0.2
  • xorg-x11-twm RHEL 4 6.8.2-1.EL.33.0.2
  • xorg-x11-xdm RHEL 4 6.8.2-1.EL.33.0.2
  • xorg-x11-xfs RHEL 4 6.8.2-1.EL.33.0.2
  • xorg-x11-libs RHEL 4 6.8.2-1.EL.33.0.2
  • xorg-x11-Xdmx RHEL 4 6.8.2-1.EL.33.0.2
  • xorg-x11-Xvfb RHEL 4 6.8.2-1.EL.33.0.2

red hat advisories RHSA-2008:0030RHSA-2008:0029

  • xorg-x11 openSUSE Tumbleweed 7.6_1-16.13

opensuse advisories openSUSE-SU-2024:11524-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-4568 updated

xfs integer overflow in the build_range function

  • Red Hat Enterprise Linux 5 xorg-x11-xfs
    affected: no fix planned “Will not fix”
  • Red Hat Desktop version 3 XFree86 4.3.0-126.EL, XFree86-sdk 4.3.0-126.EL, XFree86-twm 4.3.0-126.EL, XFree86-xdm 4.3.0-126.EL, XFree86-xfs 4.3.0-126.EL, XFree86-libs 4.3.0-126.EL, +22 more Red Hat Enterprise Linux AS (Advanced Server) version 2.1 XFree86 4.1.0-86.EL, XFree86-twm 4.1.0-86.EL, XFree86-xdm 4.1.0-86.EL, XFree86-xfs 4.1.0-86.EL, XFree86-libs 4.1.0-86.EL, XFree86-Xvfb 4.1.0-86.EL, +12 more Red Hat Enterprise Linux AS version 3 XFree86 4.3.0-126.EL, XFree86-sdk 4.3.0-126.EL, XFree86-twm 4.3.0-126.EL, XFree86-xdm 4.3.0-126.EL, XFree86-xfs 4.3.0-126.EL, XFree86-libs 4.3.0-126.EL, +22 more
    fixed: vendor fix RHSA-2008:0029
  • Red Hat Enterprise Linux AS version 4 xorg-x11 6.8.2-1.EL.33.0.2, xorg-x11-sdk 6.8.2-1.EL.33.0.2, xorg-x11-twm 6.8.2-1.EL.33.0.2, xorg-x11-xdm 6.8.2-1.EL.33.0.2, xorg-x11-xfs 6.8.2-1.EL.33.0.2, xorg-x11-libs 6.8.2-1.EL.33.0.2, +9 more Red Hat Enterprise Linux Desktop version 4 xorg-x11 6.8.2-1.EL.33.0.2, xorg-x11-sdk 6.8.2-1.EL.33.0.2, xorg-x11-twm 6.8.2-1.EL.33.0.2, xorg-x11-xdm 6.8.2-1.EL.33.0.2, xorg-x11-xfs 6.8.2-1.EL.33.0.2, xorg-x11-libs 6.8.2-1.EL.33.0.2, +9 more
    fixed: vendor fix RHSA-2008:0030
  • Red Hat Enterprise Linux ES version 2.1 XFree86 4.1.0-86.EL, XFree86-twm 4.1.0-86.EL, XFree86-xdm 4.1.0-86.EL, XFree86-xfs 4.1.0-86.EL, XFree86-libs 4.1.0-86.EL, XFree86-Xvfb 4.1.0-86.EL, +12 more Red Hat Enterprise Linux ES version 3 XFree86 4.3.0-126.EL, XFree86-sdk 4.3.0-126.EL, XFree86-twm 4.3.0-126.EL, XFree86-xdm 4.3.0-126.EL, XFree86-xfs 4.3.0-126.EL, XFree86-libs 4.3.0-126.EL, +22 more
    fixed: vendor fix RHSA-2008:0029
  • Red Hat Enterprise Linux ES version 4 xorg-x11 6.8.2-1.EL.33.0.2, xorg-x11-sdk 6.8.2-1.EL.33.0.2, xorg-x11-twm 6.8.2-1.EL.33.0.2, xorg-x11-xdm 6.8.2-1.EL.33.0.2, xorg-x11-xfs 6.8.2-1.EL.33.0.2, xorg-x11-libs 6.8.2-1.EL.33.0.2, +9 more
    fixed: vendor fix RHSA-2008:0030
  • Red Hat Enterprise Linux WS version 2.1 XFree86 4.1.0-86.EL, XFree86-twm 4.1.0-86.EL, XFree86-xdm 4.1.0-86.EL, XFree86-xfs 4.1.0-86.EL, XFree86-libs 4.1.0-86.EL, XFree86-Xvfb 4.1.0-86.EL, +12 more Red Hat Enterprise Linux WS version 3 XFree86 4.3.0-126.EL, XFree86-sdk 4.3.0-126.EL, XFree86-twm 4.3.0-126.EL, XFree86-xdm 4.3.0-126.EL, XFree86-xfs 4.3.0-126.EL, XFree86-libs 4.3.0-126.EL, +22 more
    fixed: vendor fix RHSA-2008:0029
  • Red Hat Enterprise Linux WS version 4 xorg-x11 6.8.2-1.EL.33.0.2, xorg-x11-sdk 6.8.2-1.EL.33.0.2, xorg-x11-twm 6.8.2-1.EL.33.0.2, xorg-x11-xdm 6.8.2-1.EL.33.0.2, xorg-x11-xfs 6.8.2-1.EL.33.0.2, xorg-x11-libs 6.8.2-1.EL.33.0.2, +9 more
    fixed: vendor fix RHSA-2008:0030
  • Red Hat Linux Advanced Workstation 2.1 XFree86 4.1.0-86.EL, XFree86-twm 4.1.0-86.EL, XFree86-xdm 4.1.0-86.EL, XFree86-xfs 4.1.0-86.EL, XFree86-libs 4.1.0-86.EL, XFree86-Xvfb 4.1.0-86.EL, +11 more
    fixed: vendor fix RHSA-2008:0029

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.98% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-189 Numeric Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.