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    CVE-2007-0995

    Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 ignores trailing invalid HTML characters in attribute names, which allows remote attackers to bypass content filters that use regular expressions.

    Published:Feb 23, 2007
    Last Modified:Apr 23, 2026
    EPS:Feb 26, 2007
    EPSS Score:0.02184
    CVSS Score:4.3

    Affected Products

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

    Exploits

    No exploit reference

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    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…
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    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://ha.ckers.org/xss.html#XSS_Non_alpha_non_digit2
    http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html
    http://osvdb.org/32112
    http://rhn.redhat.com/errata/RHSA-2007-0077.html
    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://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.mandriva.com/security/advisories?name=MDKSA-2007:050
    http://www.mozilla.org/security/announce/2007/mfsa2007-02.html
    http://www.novell.com/linux/security/advisories/2007_22_mozilla.html
    http://www.osvdb.org/32111
    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/1/461336/100/0/threaded
    http://www.securityfocus.com/archive/1/461809/100/0/threaded
    http://www.securityfocus.com/bid/22694
    http://www.securitytracker.com/id?1017702
    http://www.ubuntu.com/usn/usn-428-1
    http://www.vupen.com/english/advisories/2007/0718
    http://www.vupen.com/english/advisories/2008/0083
    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%3A10164
    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://ha.ckers.org/xss.html#XSS_Non_alpha_non_digit2
    http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html
    http://osvdb.org/32112
    http://rhn.redhat.com/errata/RHSA-2007-0077.html
    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://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.mandriva.com/security/advisories?name=MDKSA-2007:050
    http://www.mozilla.org/security/announce/2007/mfsa2007-02.html
    http://www.novell.com/linux/security/advisories/2007_22_mozilla.html
    http://www.osvdb.org/32111
    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/1/461336/100/0/threaded
    http://www.securityfocus.com/archive/1/461809/100/0/threaded
    http://www.securityfocus.com/bid/22694
    http://www.securitytracker.com/id?1017702
    http://www.ubuntu.com/usn/usn-428-1
    http://www.vupen.com/english/advisories/2007/0718
    http://www.vupen.com/english/advisories/2008/0083
    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%3A10164

    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