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TI-2006-01806 Aliases CVE-2006-1861GHSA-6pg6-7h2x-863m

Multiple integer overflows in FreeType before 2.2 allow remote attackers to cause a…

Priority MEDIUM 41CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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-189 and the CVSS impact.

Summary

Multiple integer overflows in FreeType before 2.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via attack vectors related to (1) bdf/bdflib.c, (2) sfnt/ttcmap.c, (3) cff/cffgload.c, and (4) the read_lwfn function and a crafted LWFN file in base/ftmac.c. NOTE: item 4 was originally identified by CVE-2006-2493.

Why it matters now

EPSS 0.04814 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 3 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 · 9

CPEVersionsRoleVendor
cpe:2.3:a:freetype:freetype:2.0.9:*:*:*:*:*:*:*2.0.9VulnerableFreeType
cpe:2.3:a:freetype:freetype:2.1.3:*:*:*:*:*:*:*2.1.3VulnerableFreeType
cpe:2.3:a:freetype:freetype:2.1.4:*:*:*:*:*:*:*2.1.4VulnerableFreeType
cpe:2.3:a:freetype:freetype:2.1.5:*:*:*:*:*:*:*2.1.5VulnerableFreeType
cpe:2.3:a:freetype:freetype:2.1.6:*:*:*:*:*:*:*2.1.6VulnerableFreeType
cpe:2.3:a:freetype:freetype:2.1.7:*:*:*:*:*:*:*2.1.7VulnerableFreeType
cpe:2.3:a:freetype:freetype:2.1.8:*:*:*:*:*:*:*2.1.8VulnerableFreeType
cpe:2.3:a:freetype:freetype:2.1.9:*:*:*:*:*:*:*2.1.9VulnerableFreeType
cpe:2.3:a:freetype:freetype:2.1.10:*:*:*:*:*:*:*2.1.10VulnerableFreeType
  • cpe:2.3:a:freetype:freetype:2.0.9:*:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·FreeType
  • cpe:2.3:a:freetype:freetype:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·FreeType
  • cpe:2.3:a:freetype:freetype:2.1.4:*:*:*:*:*:*:* Versions 2.1.4 Vulnerable ·FreeType
  • cpe:2.3:a:freetype:freetype:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·FreeType
  • cpe:2.3:a:freetype:freetype:2.1.6:*:*:*:*:*:*:* Versions 2.1.6 Vulnerable ·FreeType
  • cpe:2.3:a:freetype:freetype:2.1.7:*:*:*:*:*:*:* Versions 2.1.7 Vulnerable ·FreeType
  • cpe:2.3:a:freetype:freetype:2.1.8:*:*:*:*:*:*:* Versions 2.1.8 Vulnerable ·FreeType
  • cpe:2.3:a:freetype:freetype:2.1.9:*:*:*:*:*:*:* Versions 2.1.9 Vulnerable ·FreeType
  • cpe:2.3:a:freetype:freetype:2.1.10:*:*:*:*:*:*:* Versions 2.1.10 Vulnerable ·FreeType

Remediation

Red Hat 3 advisories

  • RHSA-2009:0329 Released 2009-05-22 · Red Hat rating Important
    freetype security update
    • Red Hat Desktop version 3 freetype-2.1.4-12.el3, freetype-2.1.4-12.el3.i386, freetype-devel-2.1.4-12.el3 +1
    • Red Hat Enterprise Linux AS version 3 freetype-2.1.4-12.el3, freetype-2.1.4-12.el3.i386, freetype-2.1.4-12.el3.ia64 +5
    • Red Hat Enterprise Linux AS version 4 freetype-2.1.9-10.el4.7, freetype-2.1.9-10.el4.7.i386, freetype-2.1.9-10.el4.7.ia64 +13
    • Red Hat Enterprise Linux Desktop version 4 freetype-2.1.9-10.el4.7, freetype-2.1.9-10.el4.7.i386, freetype-demos-2.1.9-10.el4.7 +5
    • Red Hat Enterprise Linux ES version 3 freetype-2.1.4-12.el3, freetype-2.1.4-12.el3.i386, freetype-2.1.4-12.el3.ia64 +3
    • Red Hat Enterprise Linux ES version 4 freetype-2.1.9-10.el4.7, freetype-2.1.9-10.el4.7.i386, freetype-2.1.9-10.el4.7.ia64 +9
    • Red Hat Enterprise Linux WS version 3 freetype-2.1.4-12.el3, freetype-2.1.4-12.el3.i386, freetype-2.1.4-12.el3.ia64 +3
    • Red Hat Enterprise Linux WS version 4 freetype-2.1.9-10.el4.7, freetype-2.1.9-10.el4.7.i386, freetype-2.1.9-10.el4.7.ia64 +9
  • RHSA-2009:1062 Released 2009-05-22 · Red Hat rating Important
    freetype security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 freetype-2.0.3-17.el21, freetype-2.0.3-17.el21.i386, freetype-2.0.3-17.el21.ia64 +4
    • Red Hat Enterprise Linux ES version 2.1 freetype-2.0.3-17.el21, freetype-2.0.3-17.el21.i386, freetype-devel-2.0.3-17.el21.i386 +1
    • Red Hat Enterprise Linux WS version 2.1 freetype-2.0.3-17.el21, freetype-2.0.3-17.el21.i386, freetype-devel-2.0.3-17.el21.i386 +1
    • Red Hat Linux Advanced Workstation 2.1 freetype-2.0.3-17.el21, freetype-2.0.3-17.el21.ia64, freetype-devel-2.0.3-17.el21.ia64 +1
  • RHSA-2006:0500 Released 2006-07-18 · Red Hat rating Moderate
    freetype security update
    • Red Hat Desktop version 3 freetype-2.1.4-4.0.rhel3.2, freetype-2.1.4-4.0.rhel3.2.i386, freetype-devel-2.1.4-4.0.rhel3.2 +1
    • Red Hat Enterprise Linux AS version 3 freetype-2.1.4-4.0.rhel3.2, freetype-2.1.4-4.0.rhel3.2.i386, freetype-2.1.4-4.0.rhel3.2.ia64 +5
    • Red Hat Enterprise Linux AS version 4 freetype-2.1.9-1.rhel4.4, freetype-2.1.9-1.rhel4.4.i386, freetype-2.1.9-1.rhel4.4.ia64 +13
    • Red Hat Enterprise Linux Desktop version 4 freetype-2.1.9-1.rhel4.4, freetype-2.1.9-1.rhel4.4.i386, freetype-demos-2.1.9-1.rhel4.4 +5
    • Red Hat Enterprise Linux ES version 3 freetype-2.1.4-4.0.rhel3.2, freetype-2.1.4-4.0.rhel3.2.i386, freetype-2.1.4-4.0.rhel3.2.ia64 +3
    • Red Hat Enterprise Linux ES version 4 freetype-2.1.9-1.rhel4.4, freetype-2.1.9-1.rhel4.4.i386, freetype-2.1.9-1.rhel4.4.ia64 +9
    • Red Hat Enterprise Linux WS version 3 freetype-2.1.4-4.0.rhel3.2, freetype-2.1.4-4.0.rhel3.2.i386, freetype-2.1.4-4.0.rhel3.2.ia64 +3
    • Red Hat Enterprise Linux WS version 4 freetype-2.1.9-1.rhel4.4, freetype-2.1.9-1.rhel4.4.i386, freetype-2.1.9-1.rhel4.4.ia64 +9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2006:0500, RHSA-2009:0329
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2009:1062
Red Hat Enterprise Linux AS version 3Fixed RHSA-2006:0500, RHSA-2009:0329
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0500, RHSA-2009:0329
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0500, RHSA-2009:0329
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2009:1062
Red Hat Enterprise Linux ES version 3Fixed RHSA-2006:0500, RHSA-2009:0329
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0500, RHSA-2009:0329
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2009:1062
Red Hat Enterprise Linux WS version 3Fixed RHSA-2006:0500, RHSA-2009:0329
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0500, RHSA-2009:0329
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2009:1062

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-1861
  2. 2026-10-03 Alias added: GHSA-6pg6-7h2x-863m

References

Patch 1

Advisory 16

Other 8

  • TI-2020-12611 Buffer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2025-20210 Out-of-bounds write in FreeType KEVCVSS 3.1HIGH 8.1
  • TI-2025-16833 FreeType 2.8.1 has a signed integer overflow in cf2_doFlex in cff/cf2intrp.c. CVSS 3.1MEDIUM 6.2
  • TI-2012-01032 FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other… CVSS 2.0HIGH 10.0
  • TI-2011-02548 The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in… CVSS 2.0HIGH 9.3
  • TI-2010-03164 Integer overflow in base/ftstream.c in libXft (aka the X FreeType library) in FreeType… CVSS 2.0HIGH 9.3
See all 94 →

Sources

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