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    CVE-2005-0399

    Heap-based buffer overflow in GIF2.cpp in Firefox before 1.0.2, Mozilla before to 1.7.6, and Thunderbird before 1.0.2, and possibly other applications that use the same library, allows remote attackers to execute arbitrary code via a GIF image with a crafted Netscape extension 2 block and buffer size.

    Published:Mar 23, 2005
    Last Modified:Apr 16, 2026
    EPS:Mar 24, 2005
    EPSS Score:0.41278
    CVSS Score:5.1

    Affected Products

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

    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

    ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
    http://secunia.com/advisories/14654
    http://secunia.com/advisories/19823
    http://www.ciac.org/ciac/bulletins/p-160.shtml
    http://www.gentoo.org/security/en/glsa/glsa-200503-30.xml
    http://www.kb.cert.org/vuls/id/557948
    http://www.mozilla.org/security/announce/mfsa2005-30.html
    http://www.novell.com/linux/security/advisories/2006_04_25.html
    http://www.redhat.com/support/errata/RHSA-2005-323.html
    http://www.redhat.com/support/errata/RHSA-2005-335.html
    http://www.redhat.com/support/errata/RHSA-2005-336.html
    http://www.redhat.com/support/errata/RHSA-2005-337.html
    http://www.securityfocus.com/bid/12881
    http://www.securityfocus.com/bid/15495
    http://www.vupen.com/english/advisories/2005/0296
    http://xforce.iss.net/xforce/alerts/id/191
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=150877
    https://exchange.xforce.ibmcloud.com/vulnerabilities/19269
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100028
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11377
    ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
    http://secunia.com/advisories/14654
    http://secunia.com/advisories/19823
    http://www.ciac.org/ciac/bulletins/p-160.shtml
    http://www.gentoo.org/security/en/glsa/glsa-200503-30.xml
    http://www.kb.cert.org/vuls/id/557948
    http://www.mozilla.org/security/announce/mfsa2005-30.html
    http://www.novell.com/linux/security/advisories/2006_04_25.html
    http://www.redhat.com/support/errata/RHSA-2005-323.html
    http://www.redhat.com/support/errata/RHSA-2005-335.html
    http://www.redhat.com/support/errata/RHSA-2005-336.html
    http://www.redhat.com/support/errata/RHSA-2005-337.html
    http://www.securityfocus.com/bid/12881
    http://www.securityfocus.com/bid/15495
    http://www.vupen.com/english/advisories/2005/0296
    http://xforce.iss.net/xforce/alerts/id/191
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=150877
    https://exchange.xforce.ibmcloud.com/vulnerabilities/19269
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100028
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11377

    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