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    CVE-2006-1861

    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.

    Published:May 15, 2006
    Last Modified:Apr 16, 2026
    EPS:May 23, 2006
    EPSS Score:0.08522
    CVSS Score:7.5

    Affected Products

    Vendor
    Freetype
    Product
    Freetype
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-50811 (CVSS 6.5) — An out-of-bounds read vulnerability exists in FreeType 2.14.3 and versions before commit 5a280ecde6f324de0d226…
    CVE-2026-23865 (CVSS 5.3) — An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.…
    CVE-2025-27363 (CVSS 8.1) — An out of bounds write exists in FreeType versions 2.13.0 and below (newer versions of FreeType are not vulner…
    CVE-2025-23022 (CVSS 4) — FreeType 2.8.1 has a signed integer overflow in cf2_doFlex in cff/cf2intrp.c.…
    CVE-2022-27404 (CVSS 9.8) — FreeType commit 1e2eb65048f75c64b68708efed6ce904c31f3b2f was discovered to contain a heap buffer overflow via …
    CVE-2022-27406 (CVSS 7.5) — FreeType commit 22a0cccb4d9d002f33c1ba7a4b36812c7d4f46b5 was discovered to contain a segmentation violation vi…
    CVE-2022-27405 (CVSS 7.5) — FreeType commit 53dfdcd8198d2b3201a23c4bad9190519ba918db was discovered to contain a segmentation violation vi…
    CVE-2020-15999 (CVSS 9.6) — Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentia…
    CVE-2015-9381 (CVSS 8.8) — FreeType before 2.6.1 has a heap-based buffer over-read in T1_Get_Private_Dict in type1/t1parse.c.…
    CVE-2015-9382 (CVSS 6.5) — FreeType before 2.6.1 has a buffer over-read in skip_comment in psaux/psobjs.c because ps_parser_skip_PS_token…

    References

    ftp://patches.sgi.com/support/free/security/advisories/20060701-01-U
    http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html
    http://lists.suse.com/archive/suse-security-announce/2006-Jun/0012.html
    http://secunia.com/advisories/20100
    http://secunia.com/advisories/20525
    http://secunia.com/advisories/20591
    http://secunia.com/advisories/20638
    http://secunia.com/advisories/20791
    http://secunia.com/advisories/21000
    http://secunia.com/advisories/21062
    http://secunia.com/advisories/21135
    http://secunia.com/advisories/21385
    http://secunia.com/advisories/21701
    http://secunia.com/advisories/23939
    http://secunia.com/advisories/27162
    http://secunia.com/advisories/27167
    http://secunia.com/advisories/27271
    http://secunia.com/advisories/33937
    http://secunia.com/advisories/35200
    http://secunia.com/advisories/35204
    http://secunia.com/advisories/35233
    http://security.gentoo.org/glsa/glsa-200607-02.xml
    http://securitytracker.com/id?1016522
    http://sourceforge.net/project/shownotes.php?release_id=416463
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-102705-1
    http://support.apple.com/kb/HT3438
    http://support.avaya.com/elmodocs2/security/ASA-2006-176.htm
    http://www.debian.org/security/2006/dsa-1095
    http://www.gentoo.org/security/en/glsa/glsa-200710-09.xml
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:099
    http://www.redhat.com/support/errata/RHSA-2006-0500.html
    http://www.redhat.com/support/errata/RHSA-2009-0329.html
    http://www.redhat.com/support/errata/RHSA-2009-1062.html
    http://www.securityfocus.com/archive/1/436836/100/0/threaded
    http://www.securityfocus.com/bid/18034
    http://www.vupen.com/english/advisories/2006/1868
    http://www.vupen.com/english/advisories/2007/0381
    https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=128606
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=190593
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=190593#c8
    https://bugzilla.redhat.com/show_bug.cgi?id=502565
    https://exchange.xforce.ibmcloud.com/vulnerabilities/26553
    https://issues.rpath.com/browse/RPL-429
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9124
    https://usn.ubuntu.com/291-1/
    https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01316.html
    https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01401.html
    ftp://patches.sgi.com/support/free/security/advisories/20060701-01-U
    http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html
    http://lists.suse.com/archive/suse-security-announce/2006-Jun/0012.html
    http://secunia.com/advisories/20100
    http://secunia.com/advisories/20525
    http://secunia.com/advisories/20591
    http://secunia.com/advisories/20638
    http://secunia.com/advisories/20791
    http://secunia.com/advisories/21000
    http://secunia.com/advisories/21062
    http://secunia.com/advisories/21135
    http://secunia.com/advisories/21385
    http://secunia.com/advisories/21701
    http://secunia.com/advisories/23939
    http://secunia.com/advisories/27162
    http://secunia.com/advisories/27167
    http://secunia.com/advisories/27271
    http://secunia.com/advisories/33937
    http://secunia.com/advisories/35200
    http://secunia.com/advisories/35204
    http://secunia.com/advisories/35233
    http://security.gentoo.org/glsa/glsa-200607-02.xml
    http://securitytracker.com/id?1016522
    http://sourceforge.net/project/shownotes.php?release_id=416463
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-102705-1
    http://support.apple.com/kb/HT3438
    http://support.avaya.com/elmodocs2/security/ASA-2006-176.htm
    http://www.debian.org/security/2006/dsa-1095
    http://www.gentoo.org/security/en/glsa/glsa-200710-09.xml
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:099
    http://www.redhat.com/support/errata/RHSA-2006-0500.html
    http://www.redhat.com/support/errata/RHSA-2009-0329.html
    http://www.redhat.com/support/errata/RHSA-2009-1062.html
    http://www.securityfocus.com/archive/1/436836/100/0/threaded
    http://www.securityfocus.com/bid/18034
    http://www.vupen.com/english/advisories/2006/1868
    http://www.vupen.com/english/advisories/2007/0381
    https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=128606
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=190593
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=190593#c8
    https://bugzilla.redhat.com/show_bug.cgi?id=502565
    https://exchange.xforce.ibmcloud.com/vulnerabilities/26553
    https://issues.rpath.com/browse/RPL-429
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9124
    https://usn.ubuntu.com/291-1/
    https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01316.html
    https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01401.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High