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Fencer Vulns
high 7.5

CVE-2008-0006 json

Buffer overflow in (1) X.Org Xserver before 1.4.1, and (2) the libfont and libXfont libraries on some platforms including Sun Solaris, allo…

published 2008-01-18 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-0019

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Buffer overflow in (1) X.Org Xserver before 1.4.1, and (2) the libfont and libXfont libraries on some platforms including Sun Solaris, allows context-dependent attackers to execute arbitrary code via a PCF font with a large difference between the last col and first col values in the PCF_BDF_ENCODINGS table.

Patch / fix

  • libxfont Debian 14, Debian 13, Debian 12 1:1.3.1-2
  • xorg-server Debian 14, Debian 13, Debian 12 2:1.4.1~git20080105-2

debian advisories DEBIAN-CVE-2008-0006

  • libXfont RHEL 5 1.2.2-1.0.3.el5_1
  • 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

red hat advisories RHSA-2008:0064RHSA-2008:0030RHSA-2008:0029

  • xorg-x11-server openSUSE Tumbleweed 1.20.13-1.2

opensuse advisories openSUSE-SU-2024:11525-1

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-2008-0006 updated

Xorg / XFree86 PCF font parser buffer overflow

  • 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
    fixed: vendor fix RHSA-2008:0029
  • Red Hat Enterprise Linux (v. 5 server) libXfont 1.2.2-1.0.3.el5_1
    fixed: vendor fix RHSA-2008:0064
  • 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
    fixed: vendor fix RHSA-2008:0030
  • Red Hat Enterprise Linux Desktop (v. 5 client) libXfont 1.2.2-1.0.3.el5_1
    fixed: vendor fix RHSA-2008:0064
  • 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 Desktop Workstation (v. 5 client) libXfont 1.2.2-1.0.3.el5_1
    fixed: vendor fix RHSA-2008:0064
  • 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
show 4 more
  • 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, +12 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

5.11% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

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

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.