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Fencer Vulns
critical 9.0

CVE-2007-1003 json

Integer overflow in ALLOCATE_LOCAL in the ProcXCMiscGetXIDList function in the XC-MISC extension in the X.Org X11 server (xserver) 7.1-1.1.…

published 2007-04-06 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-1000

cvss
9.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Integer overflow in ALLOCATE_LOCAL in the ProcXCMiscGetXIDList function in the XC-MISC extension in the X.Org X11 server (xserver) 7.1-1.1.0, and other versions before 20070403, allows remote authenticated users to execute arbitrary code via a large expression, which results in memory corruption.

Patch / fix

  • xorg-server Debian 14, Debian 13, Debian 12 2:1.1.1-21

debian advisories DEBIAN-CVE-2007-1003

  • 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-2007:0127

  • 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-2007-1003 updated

xserver XC-MISC integer overflow

  • Red Hat Desktop version 3 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, XFree86-libs 4.3.0-120.EL, +22 more
    fixed: vendor fix RHSA-2007:0125
  • Red Hat Enterprise Linux (v. 5 server) xorg-x11-server 1.1.1-48.13.0.1.el5, xorg-x11-server-sdk 1.1.1-48.13.0.1.el5, xorg-x11-server-Xdmx 1.1.1-48.13.0.1.el5, xorg-x11-server-Xorg 1.1.1-48.13.0.1.el5, xorg-x11-server-Xvfb 1.1.1-48.13.0.1.el5, xorg-x11-server-Xnest 1.1.1-48.13.0.1.el5, +1 more
    fixed: vendor fix RHSA-2007:0127
  • 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 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, XFree86-libs 4.3.0-120.EL, +22 more
    fixed: vendor fix RHSA-2007:0125
  • Red Hat Enterprise Linux AS version 4 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, xorg-x11-xdm 6.8.2-1.EL.13.37.7, xorg-x11-xfs 6.8.2-1.EL.13.37.7, xorg-x11-libs 6.8.2-1.EL.13.37.7, +9 more
    fixed: vendor fix RHSA-2007:0126
  • Red Hat Enterprise Linux Desktop (v. 5 client) xorg-x11-server 1.1.1-48.13.0.1.el5, xorg-x11-server-sdk 1.1.1-48.13.0.1.el5, xorg-x11-server-Xdmx 1.1.1-48.13.0.1.el5, xorg-x11-server-Xorg 1.1.1-48.13.0.1.el5, xorg-x11-server-Xvfb 1.1.1-48.13.0.1.el5, xorg-x11-server-Xnest 1.1.1-48.13.0.1.el5, +1 more
    fixed: vendor fix RHSA-2007:0127
  • Red Hat Enterprise Linux Desktop version 4 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, xorg-x11-xdm 6.8.2-1.EL.13.37.7, xorg-x11-xfs 6.8.2-1.EL.13.37.7, xorg-x11-libs 6.8.2-1.EL.13.37.7, +9 more
    fixed: vendor fix RHSA-2007:0126
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) xorg-x11-server 1.1.1-48.13.0.1.el5, xorg-x11-server-sdk 1.1.1-48.13.0.1.el5, xorg-x11-server-Xdmx 1.1.1-48.13.0.1.el5, xorg-x11-server-Xorg 1.1.1-48.13.0.1.el5, xorg-x11-server-Xvfb 1.1.1-48.13.0.1.el5, xorg-x11-server-Xnest 1.1.1-48.13.0.1.el5, +1 more
    fixed: vendor fix RHSA-2007:0127
  • 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 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, XFree86-libs 4.3.0-120.EL, +22 more
    fixed: vendor fix RHSA-2007:0125
show 4 more
  • Red Hat Enterprise Linux ES version 4 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, xorg-x11-xdm 6.8.2-1.EL.13.37.7, xorg-x11-xfs 6.8.2-1.EL.13.37.7, xorg-x11-libs 6.8.2-1.EL.13.37.7, +9 more
    fixed: vendor fix RHSA-2007:0126
  • 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 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, XFree86-libs 4.3.0-120.EL, +22 more
    fixed: vendor fix RHSA-2007:0125
  • Red Hat Enterprise Linux WS version 4 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, xorg-x11-xdm 6.8.2-1.EL.13.37.7, xorg-x11-xfs 6.8.2-1.EL.13.37.7, xorg-x11-libs 6.8.2-1.EL.13.37.7, +9 more
    fixed: vendor fix RHSA-2007:0126
  • 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

5.29% 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 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

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.