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    CVE-2011-3658

    The SVG implementation in Mozilla Firefox 8.0, Thunderbird 8.0, and SeaMonkey 2.5 does not properly interact with DOMAttrModified event handlers, which allows remote attackers to cause a denial of service (out-of-bounds memory access) or possibly have unspecified other impact via vectors involving removal of SVG elements.

    Published:Dec 20, 2011
    Last Modified:Apr 11, 2025
    EPS:Dec 21, 2011
    EPSS Score:0.75876
    CVSS Score:7.5

    Affected Products

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

    Exploits

    https://www.exploit-db.com/exploits/18847

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-84144 (CVSS 7.5) — Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence…
    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/2012-01/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00009.html
    http://lists.opensuse.org/opensuse-updates/2012-03/msg00042.html
    http://osvdb.org/77953
    http://secunia.com/advisories/47302
    http://secunia.com/advisories/47334
    http://secunia.com/advisories/48495
    http://secunia.com/advisories/48553
    http://secunia.com/advisories/48823
    http://secunia.com/advisories/49055
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:192
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:031
    http://www.mozilla.org/security/announce/2011/mfsa2011-55.html
    http://www.securitytracker.com/id?1026445
    http://www.securitytracker.com/id?1026446
    http://www.securitytracker.com/id?1026447
    http://www.ubuntu.com/usn/USN-1401-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=708186
    https://exchange.xforce.ibmcloud.com/vulnerabilities/71910
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14664
    http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00009.html
    http://lists.opensuse.org/opensuse-updates/2012-03/msg00042.html
    http://osvdb.org/77953
    http://secunia.com/advisories/47302
    http://secunia.com/advisories/47334
    http://secunia.com/advisories/48495
    http://secunia.com/advisories/48553
    http://secunia.com/advisories/48823
    http://secunia.com/advisories/49055
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:192
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:031
    http://www.mozilla.org/security/announce/2011/mfsa2011-55.html
    http://www.securitytracker.com/id?1026445
    http://www.securitytracker.com/id?1026446
    http://www.securitytracker.com/id?1026447
    http://www.ubuntu.com/usn/USN-1401-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=708186
    https://exchange.xforce.ibmcloud.com/vulnerabilities/71910
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14664

    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