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    CVE-2010-1203

    The JavaScript engine in Mozilla Firefox 3.6.x before 3.6.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors that trigger an assertion failure in jstracer.cpp.

    Published:Jun 22, 2010
    Last Modified:Apr 11, 2025
    EPS:Jun 23, 2010
    EPSS Score:0.06216
    CVSS Score:9.3

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    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/2010-07/msg00005.html
    http://secunia.com/advisories/40323
    http://secunia.com/advisories/40326
    http://secunia.com/advisories/40401
    http://secunia.com/advisories/40481
    http://support.avaya.com/css/P8/documents/100091069
    http://ubuntu.com/usn/usn-930-1
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:125
    http://www.mozilla.org/security/announce/2010/mfsa2010-26.html
    http://www.redhat.com/support/errata/RHSA-2010-0500.html
    http://www.redhat.com/support/errata/RHSA-2010-0501.html
    http://www.securityfocus.com/bid/41050
    http://www.securityfocus.com/bid/41099
    http://www.securitytracker.com/id?1024138
    http://www.securitytracker.com/id?1024139
    http://www.ubuntu.com/usn/usn-930-2
    http://www.vupen.com/english/advisories/2010/1551
    http://www.vupen.com/english/advisories/2010/1557
    http://www.vupen.com/english/advisories/2010/1640
    http://www.vupen.com/english/advisories/2010/1773
    https://bugzilla.mozilla.org/show_bug.cgi?id=546611
    https://bugzilla.mozilla.org/show_bug.cgi?id=557946
    https://exchange.xforce.ibmcloud.com/vulnerabilities/59662
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10401
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8317
    http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00005.html
    http://secunia.com/advisories/40323
    http://secunia.com/advisories/40326
    http://secunia.com/advisories/40401
    http://secunia.com/advisories/40481
    http://support.avaya.com/css/P8/documents/100091069
    http://ubuntu.com/usn/usn-930-1
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:125
    http://www.mozilla.org/security/announce/2010/mfsa2010-26.html
    http://www.redhat.com/support/errata/RHSA-2010-0500.html
    http://www.redhat.com/support/errata/RHSA-2010-0501.html
    http://www.securityfocus.com/bid/41050
    http://www.securityfocus.com/bid/41099
    http://www.securitytracker.com/id?1024138
    http://www.securitytracker.com/id?1024139
    http://www.ubuntu.com/usn/usn-930-2
    http://www.vupen.com/english/advisories/2010/1551
    http://www.vupen.com/english/advisories/2010/1557
    http://www.vupen.com/english/advisories/2010/1640
    http://www.vupen.com/english/advisories/2010/1773
    https://bugzilla.mozilla.org/show_bug.cgi?id=546611
    https://bugzilla.mozilla.org/show_bug.cgi?id=557946
    https://exchange.xforce.ibmcloud.com/vulnerabilities/59662
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10401
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8317

    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