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Fencer Vulns
high 8.5

CVE-2007-1351 json

Integer overflow in the bdfReadCharacters function in bdfread.c in (1) X.Org libXfont before 20070403 and (2) freetype 2.3.2 and earlier al…

published 2007-04-06 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-1348

cvss
8.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.6%
EPSS 5.6% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Integer overflow in the bdfReadCharacters function in bdfread.c in (1) X.Org libXfont before 20070403 and (2) freetype 2.3.2 and earlier allows remote authenticated users to execute arbitrary code via crafted BDF fonts, which result in a heap overflow.

Patch / fix

  • freetype Debian 14, Debian 13, Debian 12 2.3.5-1
  • libxfont Debian 14, Debian 13, Debian 12 1:1.2.2-2

debian advisories DEBIAN-CVE-2007-1351

  • xorg-x11 RHEL 4 6.8.2-1.EL.13.37.7
  • xorg-x11-sdk RHEL 4 6.8.2-1.EL.13.37.7
  • xorg-x11-twm RHEL 4 6.8.2-1.EL.13.37.7
  • xorg-x11-xdm RHEL 4 6.8.2-1.EL.13.37.7
  • xorg-x11-xfs RHEL 4 6.8.2-1.EL.13.37.7
  • xorg-x11-libs RHEL 4 6.8.2-1.EL.13.37.7
  • xorg-x11-Xdmx RHEL 4 6.8.2-1.EL.13.37.7
  • xorg-x11-Xvfb RHEL 4 6.8.2-1.EL.13.37.7

red hat advisories RHSA-2007:0126RHSA-2007:0125RHSA-2007:0150RHSA-2007:0132

  • freetype2 openSUSE Tumbleweed 2.11.0-1.2

opensuse advisories openSUSE-SU-2024:10770-1

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-2007-1351 updated

Multiple font integer overflows (CVE-2007-1352)

  • Red Hat Desktop version 3 freetype 2.1.4-6.el3, XFree86 4.3.0-120.EL, XFree86-sdk 4.3.0-120.EL, XFree86-twm 4.3.0-120.EL, XFree86-xdm 4.3.0-120.EL, XFree86-xfs 4.3.0-120.EL, +23 more
    fixed: vendor fix RHSA-2007:0125
  • Red Hat Enterprise Linux (v. 5 server) freetype 2.2.1-17.el5, libXfont 1.2.2-1.0.2.el5, freetype-demos 2.2.1-17.el5
    fixed: vendor fix RHSA-2007:0150
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 XFree86 4.1.0-82.EL, XFree86-twm 4.1.0-82.EL, XFree86-xdm 4.1.0-82.EL, XFree86-xfs 4.1.0-82.EL, XFree86-libs 4.1.0-82.EL, XFree86-Xvfb 4.1.0-82.EL, +12 more Red Hat Enterprise Linux AS version 3 freetype 2.1.4-6.el3, XFree86 4.3.0-120.EL, XFree86-sdk 4.3.0-120.EL, XFree86-twm 4.3.0-120.EL, XFree86-xdm 4.3.0-120.EL, XFree86-xfs 4.3.0-120.EL, +23 more
    fixed: vendor fix RHSA-2007:0125
  • Red Hat Enterprise Linux AS version 4 freetype 2.1.9-5.el4, freetype-demos 2.1.9-5.el4, freetype-utils 2.1.9-5.el4, xorg-x11 6.8.2-1.EL.13.37.7, xorg-x11-sdk 6.8.2-1.EL.13.37.7, xorg-x11-twm 6.8.2-1.EL.13.37.7, +12 more Red Hat Enterprise Linux Desktop (v. 5 client) freetype 2.2.1-17.el5, libXfont 1.2.2-1.0.2.el5, freetype-demos 2.2.1-17.el5 Red Hat Enterprise Linux Desktop version 4 freetype 2.1.9-5.el4, freetype-demos 2.1.9-5.el4, freetype-utils 2.1.9-5.el4, xorg-x11 6.8.2-1.EL.13.37.7, xorg-x11-sdk 6.8.2-1.EL.13.37.7, xorg-x11-twm 6.8.2-1.EL.13.37.7, +12 more Red Hat Enterprise Linux Desktop Workstation (v. 5 client) freetype 2.2.1-17.el5, libXfont 1.2.2-1.0.2.el5, freetype-demos 2.2.1-17.el5
    fixed: vendor fix RHSA-2007:0150
  • Red Hat Enterprise Linux ES version 2.1 XFree86 4.1.0-82.EL, XFree86-twm 4.1.0-82.EL, XFree86-xdm 4.1.0-82.EL, XFree86-xfs 4.1.0-82.EL, XFree86-libs 4.1.0-82.EL, XFree86-Xvfb 4.1.0-82.EL, +12 more Red Hat Enterprise Linux ES version 3 freetype 2.1.4-6.el3, XFree86 4.3.0-120.EL, XFree86-sdk 4.3.0-120.EL, XFree86-twm 4.3.0-120.EL, XFree86-xdm 4.3.0-120.EL, XFree86-xfs 4.3.0-120.EL, +23 more
    fixed: vendor fix RHSA-2007:0125
  • Red Hat Enterprise Linux ES version 4 freetype 2.1.9-5.el4, freetype-demos 2.1.9-5.el4, freetype-utils 2.1.9-5.el4, xorg-x11 6.8.2-1.EL.13.37.7, xorg-x11-sdk 6.8.2-1.EL.13.37.7, xorg-x11-twm 6.8.2-1.EL.13.37.7, +12 more
    fixed: vendor fix RHSA-2007:0150
  • Red Hat Enterprise Linux WS version 2.1 XFree86 4.1.0-82.EL, XFree86-twm 4.1.0-82.EL, XFree86-xdm 4.1.0-82.EL, XFree86-xfs 4.1.0-82.EL, XFree86-libs 4.1.0-82.EL, XFree86-Xvfb 4.1.0-82.EL, +12 more Red Hat Enterprise Linux WS version 3 freetype 2.1.4-6.el3, XFree86 4.3.0-120.EL, XFree86-sdk 4.3.0-120.EL, XFree86-twm 4.3.0-120.EL, XFree86-xdm 4.3.0-120.EL, XFree86-xfs 4.3.0-120.EL, +23 more
    fixed: vendor fix RHSA-2007:0125
  • Red Hat Enterprise Linux WS version 4 freetype 2.1.9-5.el4, freetype-demos 2.1.9-5.el4, freetype-utils 2.1.9-5.el4, xorg-x11 6.8.2-1.EL.13.37.7, xorg-x11-sdk 6.8.2-1.EL.13.37.7, xorg-x11-twm 6.8.2-1.EL.13.37.7, +12 more
    fixed: vendor fix RHSA-2007:0150
show 1 more
  • Red Hat Linux Advanced Workstation 2.1 XFree86 4.1.0-82.EL, XFree86-twm 4.1.0-82.EL, XFree86-xdm 4.1.0-82.EL, XFree86-xfs 4.1.0-82.EL, XFree86-libs 4.1.0-82.EL, XFree86-Xvfb 4.1.0-82.EL, +12 more
    fixed: vendor fix RHSA-2007:0125

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

5.63% 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 8.5 AV:N/AC:M/Au:S/C:C/I:C/A:C

Classification

Weakness

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.