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    CVE-2011-2987

    Heap-based buffer overflow in Almost Native Graphics Layer Engine (ANGLE), as used in the WebGL implementation in Mozilla Firefox 4.x through 5, Thunderbird before 6, SeaMonkey 2.x before 2.3, and possibly other products might allow remote attackers to execute arbitrary code via unspecified vectors.

    Published:Aug 18, 2011
    Last Modified:Apr 11, 2025
    EPS:Aug 18, 2011
    EPSS Score:0.07952
    CVSS Score:10

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Seamonkey
    Vendor
    Mozilla
    Product
    Thunderbird

    Exploits

    No exploit reference

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    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
    CVE-2026-84141 (CVSS 9.8) — Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR…
    CVE-2026-84140 (CVSS 9.8) — Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ES…
    CVE-2026-84139 (CVSS 6.1) — Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.…
    CVE-2026-84138 (CVSS 6.5) — Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html
    http://secunia.com/advisories/49055
    http://www.mozilla.org/security/announce/2011/mfsa2011-29.html
    http://www.mozilla.org/security/announce/2011/mfsa2011-31.html
    http://www.mozilla.org/security/announce/2011/mfsa2011-33.html
    http://www.securityfocus.com/bid/49226
    https://bugzilla.mozilla.org/show_bug.cgi?id=665934
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14285
    http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html
    http://secunia.com/advisories/49055
    http://www.mozilla.org/security/announce/2011/mfsa2011-29.html
    http://www.mozilla.org/security/announce/2011/mfsa2011-31.html
    http://www.mozilla.org/security/announce/2011/mfsa2011-33.html
    http://www.securityfocus.com/bid/49226
    https://bugzilla.mozilla.org/show_bug.cgi?id=665934
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14285

    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