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    CVE-2008-0418

    Directory traversal vulnerability in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1.1.8, when using "flat" addons, allows remote attackers to read arbitrary Javascript, image, and stylesheet files via the chrome: URI scheme, as demonstrated by stealing session information from sessionstore.js.

    Published:Feb 7, 2008
    Last Modified:Apr 23, 2026
    EPS:Feb 8, 2008
    EPSS Score:0.38662
    CVSS Score:4.3

    Affected Products

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

    Exploits

    https://www.exploit-db.com/exploits/31051

    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://browser.netscape.com/releasenotes/
    http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00006.html
    http://secunia.com/advisories/28622/
    http://secunia.com/advisories/28754
    http://secunia.com/advisories/28766
    http://secunia.com/advisories/28808
    http://secunia.com/advisories/28815
    http://secunia.com/advisories/28818
    http://secunia.com/advisories/28839
    http://secunia.com/advisories/28864
    http://secunia.com/advisories/28865
    http://secunia.com/advisories/28877
    http://secunia.com/advisories/28879
    http://secunia.com/advisories/28924
    http://secunia.com/advisories/28939
    http://secunia.com/advisories/28958
    http://secunia.com/advisories/29049
    http://secunia.com/advisories/29086
    http://secunia.com/advisories/29098
    http://secunia.com/advisories/29164
    http://secunia.com/advisories/29167
    http://secunia.com/advisories/29211
    http://secunia.com/advisories/29567
    http://secunia.com/advisories/30327
    http://secunia.com/advisories/30620
    http://secunia.com/advisories/31043
    http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.445399
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-238492-1
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-239546-1
    http://support.novell.com/techcenter/psdb/6251b18e050302ebe7fe74294b55c818.html
    http://wiki.rpath.com/Advisories:rPSA-2008-0051
    http://wiki.rpath.com/Advisories:rPSA-2008-0093
    http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0093
    http://www.debian.org/security/2008/dsa-1484
    http://www.debian.org/security/2008/dsa-1485
    http://www.debian.org/security/2008/dsa-1489
    http://www.debian.org/security/2008/dsa-1506
    http://www.gentoo.org/security/en/glsa/glsa-200805-18.xml
    http://www.hiredhacker.com/2008/01/19/firefox-chrome-url-handling-directory-traversal/
    http://www.kb.cert.org/vuls/id/309608
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:048
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:062
    http://www.mozilla.org/security/announce/2008/mfsa2008-05.html
    http://www.redhat.com/support/errata/RHSA-2008-0103.html
    http://www.redhat.com/support/errata/RHSA-2008-0104.html
    http://www.redhat.com/support/errata/RHSA-2008-0105.html
    http://www.securityfocus.com/archive/1/487826/100/0/threaded
    http://www.securityfocus.com/archive/1/488002/100/0/threaded
    http://www.securityfocus.com/archive/1/488971/100/0/threaded
    http://www.securityfocus.com/bid/27406
    http://www.securitytracker.com/id?1019329
    http://www.ubuntu.com/usn/usn-576-1
    http://www.ubuntu.com/usn/usn-582-1
    http://www.ubuntu.com/usn/usn-582-2
    http://www.vupen.com/english/advisories/2008/0263
    http://www.vupen.com/english/advisories/2008/0453/references
    http://www.vupen.com/english/advisories/2008/0454/references
    http://www.vupen.com/english/advisories/2008/0627/references
    http://www.vupen.com/english/advisories/2008/1793/references
    http://www.vupen.com/english/advisories/2008/2091/references
    https://issues.rpath.com/browse/RPL-1995
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10705
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00274.html
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00309.html
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00381.html
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00905.html
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00946.html
    http://browser.netscape.com/releasenotes/
    http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00006.html
    http://secunia.com/advisories/28622/
    http://secunia.com/advisories/28754
    http://secunia.com/advisories/28766
    http://secunia.com/advisories/28808
    http://secunia.com/advisories/28815
    http://secunia.com/advisories/28818
    http://secunia.com/advisories/28839
    http://secunia.com/advisories/28864
    http://secunia.com/advisories/28865
    http://secunia.com/advisories/28877
    http://secunia.com/advisories/28879
    http://secunia.com/advisories/28924
    http://secunia.com/advisories/28939
    http://secunia.com/advisories/28958
    http://secunia.com/advisories/29049
    http://secunia.com/advisories/29086
    http://secunia.com/advisories/29098
    http://secunia.com/advisories/29164
    http://secunia.com/advisories/29167
    http://secunia.com/advisories/29211
    http://secunia.com/advisories/29567
    http://secunia.com/advisories/30327
    http://secunia.com/advisories/30620
    http://secunia.com/advisories/31043
    http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.445399
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-238492-1
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-239546-1
    http://support.novell.com/techcenter/psdb/6251b18e050302ebe7fe74294b55c818.html
    http://wiki.rpath.com/Advisories:rPSA-2008-0051
    http://wiki.rpath.com/Advisories:rPSA-2008-0093
    http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0093
    http://www.debian.org/security/2008/dsa-1484
    http://www.debian.org/security/2008/dsa-1485
    http://www.debian.org/security/2008/dsa-1489
    http://www.debian.org/security/2008/dsa-1506
    http://www.gentoo.org/security/en/glsa/glsa-200805-18.xml
    http://www.hiredhacker.com/2008/01/19/firefox-chrome-url-handling-directory-traversal/
    http://www.kb.cert.org/vuls/id/309608
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:048
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:062
    http://www.mozilla.org/security/announce/2008/mfsa2008-05.html
    http://www.redhat.com/support/errata/RHSA-2008-0103.html
    http://www.redhat.com/support/errata/RHSA-2008-0104.html
    http://www.redhat.com/support/errata/RHSA-2008-0105.html
    http://www.securityfocus.com/archive/1/487826/100/0/threaded
    http://www.securityfocus.com/archive/1/488002/100/0/threaded
    http://www.securityfocus.com/archive/1/488971/100/0/threaded
    http://www.securityfocus.com/bid/27406
    http://www.securitytracker.com/id?1019329
    http://www.ubuntu.com/usn/usn-576-1
    http://www.ubuntu.com/usn/usn-582-1
    http://www.ubuntu.com/usn/usn-582-2
    http://www.vupen.com/english/advisories/2008/0263
    http://www.vupen.com/english/advisories/2008/0453/references
    http://www.vupen.com/english/advisories/2008/0454/references
    http://www.vupen.com/english/advisories/2008/0627/references
    http://www.vupen.com/english/advisories/2008/1793/references
    http://www.vupen.com/english/advisories/2008/2091/references
    https://issues.rpath.com/browse/RPL-1995
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10705
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00274.html
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00309.html
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00381.html
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00905.html
    https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00946.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