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TI-2006-03627 Aliases CVE-2006-3740GHSA-gpr2-3wwv-wvmr

Integer overflow in the scan_cidfont function in X.Org 6.8.2 and XFree86 X server allows…

Priority LOW 32Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Integer overflow in the scan_cidfont function in X.Org 6.8.2 and XFree86 X server allows local users to execute arbitrary code via crafted (1) CMap and (2) CIDFont font data with modified item counts in the (a) begincodespacerange, (b) cidrange, and (c) notdefrange sections.

Why it matters now

EPSS 0.00519 44th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

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 · 2

CPEVersionsRoleVendor
cpe:2.3:a:x.org:x.org:6.8.2:*:*:*:*:*:*:*6.8.2Vulnerablex.org
cpe:2.3:a:xfree86_project:xfree86_x:*:*:*:*:*:*:*:*all versionsVulnerableXfree86 Project
  • cpe:2.3:a:x.org:x.org:6.8.2:*:*:*:*:*:*:* Versions 6.8.2 Vulnerable ·x.org
  • cpe:2.3:a:xfree86_project:xfree86_x:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Xfree86 Project

Remediation

Red Hat 2 advisories

  • RHSA-2006:0665 Released 2006-09-12 · Red Hat rating Important
    xorg-x11 security update
    • Red Hat Enterprise Linux AS version 4 xorg-x11-6.8.2-1.EL.13.37.2, xorg-x11-6.8.2-1.EL.13.37.2.i386, xorg-x11-6.8.2-1.EL.13.37.2.ia64 +47
    • Red Hat Enterprise Linux Desktop version 4 xorg-x11-6.8.2-1.EL.13.37.2, xorg-x11-6.8.2-1.EL.13.37.2.i386, xorg-x11-Mesa-libGL-6.8.2-1.EL.13.37.2 +33
    • Red Hat Enterprise Linux ES version 4 xorg-x11-6.8.2-1.EL.13.37.2, xorg-x11-6.8.2-1.EL.13.37.2.i386, xorg-x11-6.8.2-1.EL.13.37.2.ia64 +47
    • Red Hat Enterprise Linux WS version 4 xorg-x11-6.8.2-1.EL.13.37.2, xorg-x11-6.8.2-1.EL.13.37.2.i386, xorg-x11-6.8.2-1.EL.13.37.2.ia64 +47
  • RHSA-2006:0666 Released 2006-09-12 · Red Hat rating Important
    XFree86 security update
    • Red Hat Desktop version 3 XFree86-100dpi-fonts-4.3.0-113.EL, XFree86-100dpi-fonts-4.3.0-113.EL.i386, XFree86-4.3.0-113.EL +47
    • Red Hat Enterprise Linux AS version 3 XFree86-100dpi-fonts-4.3.0-113.EL, XFree86-100dpi-fonts-4.3.0-113.EL.i386, XFree86-100dpi-fonts-4.3.0-113.EL.ia64 +47
    • Red Hat Enterprise Linux ES version 3 XFree86-100dpi-fonts-4.3.0-113.EL, XFree86-100dpi-fonts-4.3.0-113.EL.i386, XFree86-100dpi-fonts-4.3.0-113.EL.ia64 +47
    • Red Hat Enterprise Linux WS version 3 XFree86-100dpi-fonts-4.3.0-113.EL, XFree86-100dpi-fonts-4.3.0-113.EL.i386, XFree86-100dpi-fonts-4.3.0-113.EL.ia64 +47

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2006:0666
Red Hat Enterprise Linux AS version 3Fixed RHSA-2006:0666
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0665
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0665
Red Hat Enterprise Linux ES version 3Fixed RHSA-2006:0666
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0665
Red Hat Enterprise Linux WS version 3Fixed RHSA-2006:0666
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0665

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-3740
  2. 2026-10-03 Alias added: GHSA-gpr2-3wwv-wvmr

References

Patch 3

Advisory 6

Other 9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences