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CVE-2006-1740

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey...

2.6 LowFix available

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to spoof secure site indicators such as the locked icon by opening the trusted site in a popup window, then changing the location to a malicious site.

Exploit likelihood

2.54%Down 1.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.6

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to spoof secure site indicators such as the locked icon by opening the trusted site in a popup window, then changing the location to a malicious site.

Record
CVE-2006-1740
CVSS 2.0
2.6 LowAV:N/AC:H/Au:N/C:N/I:P/A:N
Updated
2026-11-02
CVE List No score

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to spoof secure site indicators such as the locked icon by opening the trusted site in a popup window, then changing the location to a malicious site.

Record
CVE-2006-1740
Updated
2026-11-02
EUVDEUVD-2006-1740 No score

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to spoof secure site indicators such as the locked icon by opening the trusted site in a popup window, then changing the location to a malicious site.

Record
EUVD-2006-1740
Updated
2026-11-03
GitHub AdvisoriesGHSA-3gq2-8vxj-g5w7 No score

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey...

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to spoof secure site indicators such as the locked icon by opening the trusted site in a popup window, then changing the location to a malicious site.

Record
GHSA-3gq2-8vxj-g5w7
Updated
2026-11-02
OSV No score

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to spoof secure site indicators such as the locked icon by opening the trusted site in a popup window, then changing the location to a malicious site.

Record
CVE-2006-1740
Updated
2026-11-02
OSVDEBIAN-CVE-2006-1740 No score

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to spoof secure site indicators such as the locked icon by opening the trusted site in a popup window, then changing the location to a malicious site.

Record
DEBIAN-CVE-2006-1740
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
thunderbird
Debian:12
 before 1.5.0.2-1
1.5.0.2-1
thunderbird
Debian:13
 before 1.5.0.2-1
1.5.0.2-1
thunderbird
Debian:14
 before 1.5.0.2-1
1.5.0.2-1
mozilla-firefox
Debian:3.1
 before 1.0.4-2sarge6, plus listed versions
1.0.4-21.0.4-2sarge11.0.4-2sarge21.0.4-2sarge31.0.4-2sarge41.0.4-2sarge5
1.0.4-2sarge6
mozilla
Debian:3.1
 before 2:1.7.8-1sarge5, plus listed versions
2:1.7.8-12:1.7.8-1sarge12:1.7.8-1sarge22:1.7.8-1sarge3
2:1.7.8-1sarge5
mozilla-thunderbird
Debian:3.1
 before 1.0.2-2.sarge1.0.8, plus listed versions
1.0.2-21.0.2-2.sarge1.0.61.0.2-2.sarge1.0.7
1.0.2-2.sarge1.0.8
firefox
Red Hat:enterprise_linux:4::as
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox
Red Hat:enterprise_linux:4::desktop
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
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Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:4::es
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox
Red Hat:enterprise_linux:4::ws
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
devhelp
Red Hat:enterprise_linux:4::as
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-devel
Red Hat:enterprise_linux:4::as
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp
Red Hat:enterprise_linux:4::desktop
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-devel
Red Hat:enterprise_linux:4::desktop
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp
Red Hat:enterprise_linux:4::es
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-devel
Red Hat:enterprise_linux:4::es
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp
Red Hat:enterprise_linux:4::ws
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-devel
Red Hat:enterprise_linux:4::ws
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-1740 is a low vulnerability (CVSS 2.6) in Mozilla Firefox, published April 14, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.54%, the 84th percentile. Fixed in thunderbird 1.5.0.2-1.

References

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