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    CVE-2012-1953

    The ElementAnimations::EnsureStyleRuleFor function in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 allows remote attackers to cause a denial of service (buffer over-read, incorrect pointer dereference, and heap-based buffer overflow) or possibly execute arbitrary code via a crafted web site.

    Published:Jul 17, 2012
    Last Modified:Apr 11, 2025
    EPS:Jul 18, 2012
    EPSS Score:0.0172
    CVSS Score:9.3

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Seamonkey
    Vendor
    Mozilla
    Product
    Thunderbird
    Vendor
    Mozilla
    Product
    Thunderbird Esr
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-84143 (CVSS 9.8) — Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of th…
    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…
    CVE-2026-84137 (CVSS 4.3) — Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153…
    CVE-2026-84136 (CVSS 6.1) — Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, …
    CVE-2026-84135 (CVSS 9.8) — Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.…

    References

    http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00012.html
    http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00013.html
    http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00016.html
    http://osvdb.org/83998
    http://rhn.redhat.com/errata/RHSA-2012-1088.html
    http://secunia.com/advisories/49965
    http://secunia.com/advisories/49968
    http://secunia.com/advisories/49972
    http://secunia.com/advisories/49977
    http://secunia.com/advisories/49979
    http://secunia.com/advisories/49992
    http://secunia.com/advisories/49993
    http://secunia.com/advisories/49994
    http://www.mozilla.org/security/announce/2012/mfsa2012-44.html
    http://www.securityfocus.com/bid/54578
    http://www.securitytracker.com/id?1027256
    http://www.securitytracker.com/id?1027257
    http://www.securitytracker.com/id?1027258
    http://www.ubuntu.com/usn/USN-1509-1
    http://www.ubuntu.com/usn/USN-1509-2
    http://www.ubuntu.com/usn/USN-1510-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=765218
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16894
    http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00012.html
    http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00013.html
    http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00016.html
    http://osvdb.org/83998
    http://rhn.redhat.com/errata/RHSA-2012-1088.html
    http://secunia.com/advisories/49965
    http://secunia.com/advisories/49968
    http://secunia.com/advisories/49972
    http://secunia.com/advisories/49977
    http://secunia.com/advisories/49979
    http://secunia.com/advisories/49992
    http://secunia.com/advisories/49993
    http://secunia.com/advisories/49994
    http://www.mozilla.org/security/announce/2012/mfsa2012-44.html
    http://www.securityfocus.com/bid/54578
    http://www.securitytracker.com/id?1027256
    http://www.securitytracker.com/id?1027257
    http://www.securitytracker.com/id?1027258
    http://www.ubuntu.com/usn/USN-1509-1
    http://www.ubuntu.com/usn/USN-1509-2
    http://www.ubuntu.com/usn/USN-1510-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=765218
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16894

    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