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    CVE-2008-5013

    Mozilla Firefox 2.x before 2.0.0.18 and SeaMonkey 1.x before 1.1.13 do not properly check when the Flash module has been dynamically unloaded properly, which allows remote attackers to execute arbitrary code via a crafted SWF file that "dynamically unloads itself from an outside JavaScript function," which triggers an access of an expired memory address.

    Published:Nov 12, 2008
    Last Modified:Apr 23, 2026
    EPS:Nov 13, 2008
    EPSS Score:0.2392
    CVSS Score:9.3

    Affected Products

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

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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/2008-11/msg00004.html
    http://secunia.com/advisories/32684
    http://secunia.com/advisories/32693
    http://secunia.com/advisories/32694
    http://secunia.com/advisories/32714
    http://secunia.com/advisories/32778
    http://secunia.com/advisories/32845
    http://secunia.com/advisories/32853
    http://secunia.com/advisories/33433
    http://secunia.com/advisories/34501
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-256408-1
    http://ubuntu.com/usn/usn-667-1
    http://www.debian.org/security/2008/dsa-1669
    http://www.debian.org/security/2008/dsa-1671
    http://www.debian.org/security/2009/dsa-1697
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:228
    http://www.mozilla.org/security/announce/2008/mfsa2008-49.html
    http://www.redhat.com/support/errata/RHSA-2008-0977.html
    http://www.securityfocus.com/bid/32281
    http://www.securitytracker.com/id?1021181
    http://www.us-cert.gov/cas/techalerts/TA08-319A.html
    http://www.vupen.com/english/advisories/2008/3146
    http://www.vupen.com/english/advisories/2009/0977
    https://bugzilla.mozilla.org/show_bug.cgi?id=433610
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9660
    https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00366.html
    http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00004.html
    http://secunia.com/advisories/32684
    http://secunia.com/advisories/32693
    http://secunia.com/advisories/32694
    http://secunia.com/advisories/32714
    http://secunia.com/advisories/32778
    http://secunia.com/advisories/32845
    http://secunia.com/advisories/32853
    http://secunia.com/advisories/33433
    http://secunia.com/advisories/34501
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-256408-1
    http://ubuntu.com/usn/usn-667-1
    http://www.debian.org/security/2008/dsa-1669
    http://www.debian.org/security/2008/dsa-1671
    http://www.debian.org/security/2009/dsa-1697
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:228
    http://www.mozilla.org/security/announce/2008/mfsa2008-49.html
    http://www.redhat.com/support/errata/RHSA-2008-0977.html
    http://www.securityfocus.com/bid/32281
    http://www.securitytracker.com/id?1021181
    http://www.us-cert.gov/cas/techalerts/TA08-319A.html
    http://www.vupen.com/english/advisories/2008/3146
    http://www.vupen.com/english/advisories/2009/0977
    https://bugzilla.mozilla.org/show_bug.cgi?id=433610
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9660
    https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00366.html

    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