Read the docs
TI-2007-04578 Aliases CVE-2007-4730GHSA-737c-wj7m-pqqr

Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension…

Priority LOW 21CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X.org X11 server before 1.4 allows local users to execute arbitrary code by copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.

Why it matters now

EPSS 0.00511 43rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:x.org:xorg-server:1.01:*:*:*:*:*:*:*1.01Vulnerablex.org
cpe:2.3:a:x.org:xorg-server:1.1:*:*:*:*:*:*:*1.1Vulnerablex.org
cpe:2.3:a:x.org:xorg-server:1.02:*:*:*:*:*:*:*1.02Vulnerablex.org
cpe:2.3:a:x.org:xorg-server:1.2:*:*:*:*:*:*:*1.2Vulnerablex.org
cpe:2.3:a:x.org:xorg-server:1.3:*:*:*:*:*:*:*1.3Vulnerablex.org
  • cpe:2.3:a:x.org:xorg-server:1.01:*:*:*:*:*:*:* Versions 1.01 Vulnerable ·x.org
  • cpe:2.3:a:x.org:xorg-server:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·x.org
  • cpe:2.3:a:x.org:xorg-server:1.02:*:*:*:*:*:*:* Versions 1.02 Vulnerable ·x.org
  • cpe:2.3:a:x.org:xorg-server:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·x.org
  • cpe:2.3:a:x.org:xorg-server:1.3:*:*:*:*:*:*:* Versions 1.3 Vulnerable ·x.org

Remediation

Red Hat 1 advisory

  • RHSA-2007:0898 Released 2007-09-19 · Red Hat rating Moderate
    xorg-x11 security update
    • Red Hat Enterprise Linux AS version 4 xorg-x11-6.8.2-1.EL.31, xorg-x11-6.8.2-1.EL.31.i386, xorg-x11-6.8.2-1.EL.31.ia64 +47
    • Red Hat Enterprise Linux Desktop version 4 xorg-x11-6.8.2-1.EL.31, xorg-x11-6.8.2-1.EL.31.i386, xorg-x11-Mesa-libGL-6.8.2-1.EL.31 +33
    • Red Hat Enterprise Linux ES version 4 xorg-x11-6.8.2-1.EL.31, xorg-x11-6.8.2-1.EL.31.i386, xorg-x11-6.8.2-1.EL.31.ia64 +47
    • Red Hat Enterprise Linux WS version 4 xorg-x11-6.8.2-1.EL.31, xorg-x11-6.8.2-1.EL.31.i386, xorg-x11-6.8.2-1.EL.31.ia64 +47

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2007:0898
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2007:0898
Red Hat Enterprise Linux ES version 4Fixed RHSA-2007:0898
Red Hat Enterprise Linux WS version 4Fixed RHSA-2007:0898

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4730
  2. 2026-10-03 Alias added: GHSA-737c-wj7m-pqqr

References

  • TI-2006-04295 X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does… CVSS 2.0HIGH 7.2
  • TI-2015-02796 The authentication setup in XWayland 1.16.x and 1.17.x before 1.17.2 starts the server in… CVSS 2.0LOW 3.6

Sources