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    CVE-2010-2806

    Array index error in the t42_parse_sfnts function in type42/t42parse.c in FreeType before 2.4.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via negative size values for certain strings in FontType42 font files, leading to a heap-based buffer overflow.

    Published:Aug 5, 2010
    Last Modified:Apr 11, 2025
    EPS:Aug 19, 2010
    EPSS Score:0.09383
    CVSS Score:6.8

    Affected Products

    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Tvos
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Freetype
    Product
    Freetype
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://savannah.nongnu.org/bugs/?30656https://savannah.nongnu.org/bugs/?30656

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers
    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-87545 (CVSS 6.5) — Information leak in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leverag…
    CVE-2026-87609 (CVSS 9.6) — Use after free in Sharing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker to execu…
    CVE-2026-87518 (CVSS 5.3) — Observable discrepancy in Safebrowsing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote atta…
    CVE-2026-87482 (CVSS 5.9) — Cleartext transmission of sensitive data in HttpsUpgrades in Google Chrome on on iOS prior to 153.0.8010.36 al…
    CVE-2026-87517 (CVSS 3.1) — Race condition in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leveragin…
    CVE-2026-85047 (CVSS 9.6) — Improper input validation in Transactions Platform in Google Chrome on on iOS prior to 152.0.7977.82 allowed a…
    CVE-2026-78964 (CVSS 9.6) — Use after free in Sync in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentia…
    CVE-2026-78957 (CVSS 5.5) — Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to obtai…
    CVE-2026-78981 (CVSS 6.5) — Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to poten…
    CVE-2026-79105 (CVSS 4.3) — Improper input validation in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacke…

    References

    http://freetype.sourceforge.net/index2.html#release-freetype-2.4.2
    http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=c06da1ad34663da7b6fc39b030dc3ae185b96557
    http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
    http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html
    http://marc.info/?l=oss-security&m=128111955616772&w=2
    http://secunia.com/advisories/40816
    http://secunia.com/advisories/40982
    http://secunia.com/advisories/42314
    http://secunia.com/advisories/42317
    http://sourceforge.net/projects/freetype/files/freetype2/2.4.2/NEWS/view
    http://support.apple.com/kb/HT4435
    http://support.apple.com/kb/HT4456
    http://support.apple.com/kb/HT4457
    http://www.redhat.com/support/errata/RHSA-2010-0864.html
    http://www.securityfocus.com/bid/42285
    http://www.ubuntu.com/usn/USN-972-1
    http://www.vupen.com/english/advisories/2010/2018
    http://www.vupen.com/english/advisories/2010/2106
    http://www.vupen.com/english/advisories/2010/3045
    http://www.vupen.com/english/advisories/2010/3046
    https://bugs.launchpad.net/ubuntu/maverick/+source/freetype/+bug/617019
    https://bugzilla.redhat.com/show_bug.cgi?id=621980
    https://rhn.redhat.com/errata/RHSA-2010-0736.html
    https://rhn.redhat.com/errata/RHSA-2010-0737.html
    https://savannah.nongnu.org/bugs/?30656
    http://freetype.sourceforge.net/index2.html#release-freetype-2.4.2
    http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=c06da1ad34663da7b6fc39b030dc3ae185b96557
    http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
    http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html
    http://marc.info/?l=oss-security&m=128111955616772&w=2
    http://secunia.com/advisories/40816
    http://secunia.com/advisories/40982
    http://secunia.com/advisories/42314
    http://secunia.com/advisories/42317
    http://sourceforge.net/projects/freetype/files/freetype2/2.4.2/NEWS/view
    http://support.apple.com/kb/HT4435
    http://support.apple.com/kb/HT4456
    http://support.apple.com/kb/HT4457
    http://www.redhat.com/support/errata/RHSA-2010-0864.html
    http://www.securityfocus.com/bid/42285
    http://www.ubuntu.com/usn/USN-972-1
    http://www.vupen.com/english/advisories/2010/2018
    http://www.vupen.com/english/advisories/2010/2106
    http://www.vupen.com/english/advisories/2010/3045
    http://www.vupen.com/english/advisories/2010/3046
    https://bugs.launchpad.net/ubuntu/maverick/+source/freetype/+bug/617019
    https://bugzilla.redhat.com/show_bug.cgi?id=621980
    https://rhn.redhat.com/errata/RHSA-2010-0736.html
    https://rhn.redhat.com/errata/RHSA-2010-0737.html
    https://savannah.nongnu.org/bugs/?30656

    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