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    CVE-2010-4577

    The CSSParser::parseFontFaceSrc function in WebCore/css/CSSParser.cpp in WebKit, as used in Google Chrome before 8.0.552.224, Chrome OS before 8.0.552.343, webkitgtk before 1.2.6, and other products does not properly parse Cascading Style Sheets (CSS) token sequences, which allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted local font, related to "Type Confusion."

    Published:Dec 13, 2010
    Last Modified:Apr 11, 2025
    EPS:Dec 22, 2010
    EPSS Score:0.04266
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Google
    Product
    Chrome
    Vendor
    Google
    Product
    Chrome Os
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Webkitgtk
    Product
    Webkitgtk

    Exploits

    http://code.google.com/p/chromium/issues/detail?id=63866http://code.google.com/p/chromium/issues/detail?id=63866

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    http://code.google.com/p/chromium/issues/detail?id=63866
    http://googlechromereleases.blogspot.com/2010/12/stable-beta-channel-updates_13.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052906.html
    http://secunia.com/advisories/42648
    http://secunia.com/advisories/43086
    http://trac.webkit.org/changeset/72685
    http://trac.webkit.org/changeset/72685/trunk/WebCore/css/CSSParser.cpp
    http://www.debian.org/security/2011/dsa-2188
    http://www.gentoo.org/security/en/glsa/glsa-201012-01.xml
    http://www.redhat.com/support/errata/RHSA-2011-0177.html
    http://www.securityfocus.com/bid/45722
    http://www.vupen.com/english/advisories/2011/0216
    https://bugs.webkit.org/show_bug.cgi?id=49883
    https://bugzilla.redhat.com/show_bug.cgi?id=667025
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13953
    http://code.google.com/p/chromium/issues/detail?id=63866
    http://googlechromereleases.blogspot.com/2010/12/stable-beta-channel-updates_13.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052906.html
    http://secunia.com/advisories/42648
    http://secunia.com/advisories/43086
    http://trac.webkit.org/changeset/72685
    http://trac.webkit.org/changeset/72685/trunk/WebCore/css/CSSParser.cpp
    http://www.debian.org/security/2011/dsa-2188
    http://www.gentoo.org/security/en/glsa/glsa-201012-01.xml
    http://www.redhat.com/support/errata/RHSA-2011-0177.html
    http://www.securityfocus.com/bid/45722
    http://www.vupen.com/english/advisories/2011/0216
    https://bugs.webkit.org/show_bug.cgi?id=49883
    https://bugzilla.redhat.com/show_bug.cgi?id=667025
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13953

    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