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    CVE-2007-0981

    Mozilla based browsers, including Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8, allow remote attackers to bypass the same origin policy, steal cookies, and conduct other attacks by writing a URI with a null byte to the hostname (location.hostname) DOM property, due to interactions with DNS resolver code.

    Published:Feb 16, 2007
    Last Modified:Apr 23, 2026
    EPS:Feb 16, 2007
    EPSS Score:0.16432
    CVSS Score:7.5

    Affected Products

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

    Exploits

    http://lcamtuf.dione.cc/ffhostname.htmlhttp://lcamtuf.dione.cc/ffhostname.htmlhttps://www.exploit-db.com/exploits/3340

    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://patches.sgi.com/support/free/security/advisories/20070202-01-P.asc
    ftp://patches.sgi.com/support/free/security/advisories/20070301-01-P.asc
    http://fedoranews.org/cms/node/2713
    http://fedoranews.org/cms/node/2728
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
    http://lcamtuf.dione.cc/ffhostname.html
    http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html
    http://rhn.redhat.com/errata/RHSA-2007-0077.html
    http://secunia.com/advisories/24175
    http://secunia.com/advisories/24205
    http://secunia.com/advisories/24238
    http://secunia.com/advisories/24287
    http://secunia.com/advisories/24290
    http://secunia.com/advisories/24293
    http://secunia.com/advisories/24320
    http://secunia.com/advisories/24328
    http://secunia.com/advisories/24333
    http://secunia.com/advisories/24342
    http://secunia.com/advisories/24343
    http://secunia.com/advisories/24384
    http://secunia.com/advisories/24393
    http://secunia.com/advisories/24395
    http://secunia.com/advisories/24437
    http://secunia.com/advisories/24455
    http://secunia.com/advisories/24457
    http://secunia.com/advisories/24650
    http://secunia.com/advisories/25588
    http://security.gentoo.org/glsa/glsa-200703-04.xml
    http://securityreason.com/securityalert/2262
    http://securitytracker.com/id?1017654
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.338131
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.374851
    http://www.debian.org/security/2007/dsa-1336
    http://www.gentoo.org/security/en/glsa/glsa-200703-08.xml
    http://www.kb.cert.org/vuls/id/885753
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:050
    http://www.mozilla.org/security/announce/2007/mfsa2007-07.html
    http://www.novell.com/linux/security/advisories/2007_22_mozilla.html
    http://www.osvdb.org/32104
    http://www.redhat.com/support/errata/RHSA-2007-0078.html
    http://www.redhat.com/support/errata/RHSA-2007-0079.html
    http://www.redhat.com/support/errata/RHSA-2007-0097.html
    http://www.redhat.com/support/errata/RHSA-2007-0108.html
    http://www.securityfocus.com/archive/1/460126/100/200/threaded
    http://www.securityfocus.com/archive/1/460217/100/0/threaded
    http://www.securityfocus.com/archive/1/461336/100/0/threaded
    http://www.securityfocus.com/archive/1/461809/100/0/threaded
    http://www.securityfocus.com/bid/22566
    http://www.ubuntu.com/usn/usn-428-1
    http://www.vupen.com/english/advisories/2007/0624
    http://www.vupen.com/english/advisories/2007/0718
    http://www.vupen.com/english/advisories/2008/0083
    https://bugzilla.mozilla.org/show_bug.cgi?id=370445
    https://exchange.xforce.ibmcloud.com/vulnerabilities/32533
    https://issues.rpath.com/browse/RPL-1081
    https://issues.rpath.com/browse/RPL-1103
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9730
    ftp://patches.sgi.com/support/free/security/advisories/20070202-01-P.asc
    ftp://patches.sgi.com/support/free/security/advisories/20070301-01-P.asc
    http://fedoranews.org/cms/node/2713
    http://fedoranews.org/cms/node/2728
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
    http://lcamtuf.dione.cc/ffhostname.html
    http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html
    http://rhn.redhat.com/errata/RHSA-2007-0077.html
    http://secunia.com/advisories/24175
    http://secunia.com/advisories/24205
    http://secunia.com/advisories/24238
    http://secunia.com/advisories/24287
    http://secunia.com/advisories/24290
    http://secunia.com/advisories/24293
    http://secunia.com/advisories/24320
    http://secunia.com/advisories/24328
    http://secunia.com/advisories/24333
    http://secunia.com/advisories/24342
    http://secunia.com/advisories/24343
    http://secunia.com/advisories/24384
    http://secunia.com/advisories/24393
    http://secunia.com/advisories/24395
    http://secunia.com/advisories/24437
    http://secunia.com/advisories/24455
    http://secunia.com/advisories/24457
    http://secunia.com/advisories/24650
    http://secunia.com/advisories/25588
    http://security.gentoo.org/glsa/glsa-200703-04.xml
    http://securityreason.com/securityalert/2262
    http://securitytracker.com/id?1017654
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.338131
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.374851
    http://www.debian.org/security/2007/dsa-1336
    http://www.gentoo.org/security/en/glsa/glsa-200703-08.xml
    http://www.kb.cert.org/vuls/id/885753
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:050
    http://www.mozilla.org/security/announce/2007/mfsa2007-07.html
    http://www.novell.com/linux/security/advisories/2007_22_mozilla.html
    http://www.osvdb.org/32104
    http://www.redhat.com/support/errata/RHSA-2007-0078.html
    http://www.redhat.com/support/errata/RHSA-2007-0079.html
    http://www.redhat.com/support/errata/RHSA-2007-0097.html
    http://www.redhat.com/support/errata/RHSA-2007-0108.html
    http://www.securityfocus.com/archive/1/460126/100/200/threaded
    http://www.securityfocus.com/archive/1/460217/100/0/threaded
    http://www.securityfocus.com/archive/1/461336/100/0/threaded
    http://www.securityfocus.com/archive/1/461809/100/0/threaded
    http://www.securityfocus.com/bid/22566
    http://www.ubuntu.com/usn/usn-428-1
    http://www.vupen.com/english/advisories/2007/0624
    http://www.vupen.com/english/advisories/2007/0718
    http://www.vupen.com/english/advisories/2008/0083
    https://bugzilla.mozilla.org/show_bug.cgi?id=370445
    https://exchange.xforce.ibmcloud.com/vulnerabilities/32533
    https://issues.rpath.com/browse/RPL-1081
    https://issues.rpath.com/browse/RPL-1103
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9730

    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