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CVE-2006-4567

Mozilla Firefox before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept...

2.6 LowFix available

Mozilla Firefox before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept self-signed certificates for the auto-update mechanism, which might allow remote user-assisted attackers to use DNS spoofing to trick users into visiting a malicious site and accepting a malicious certificate for the Mozilla update site, which can then be used to install arbitrary code on the next update.

Exploit likelihood

1.94%Down 2.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.6

Mozilla Firefox before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept self-signed certificates for the auto-update mechanism, which might allow remote user-assisted attackers to use DNS spoofing to trick users into visiting a malicious site and accepting a malicious certificate for the Mozilla update site, which can then be used to install arbitrary code on the next update.

Record
CVE-2006-4567
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 before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept self-signed certificates for the auto-update mechanism, which might allow remote user-assisted attackers to use DNS spoofing to trick users into visiting a malicious site and accepting a malicious certificate for the Mozilla update site, which can then be used to install arbitrary code on the next update.

Record
CVE-2006-4567
Updated
2026-11-02
EUVDEUVD-2006-4555 No score

Mozilla Firefox before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept self-signed certificates for the auto-update mechanism, which might allow remote user-assisted attackers to use DNS spoofing to trick users into visiting a malicious site and accepting a malicious certificate for the Mozilla update site, which can then be used to install arbitrary code on the next update.

Record
EUVD-2006-4555
Updated
2026-11-03
GitHub AdvisoriesGHSA-g5fp-x2h2-86wp No score

Mozilla Firefox before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept...

Mozilla Firefox before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept self-signed certificates for the auto-update mechanism, which might allow remote user-assisted attackers to use DNS spoofing to trick users into visiting a malicious site and accepting a malicious certificate for the Mozilla update site, which can then be used to install arbitrary code on the next update.

Record
GHSA-g5fp-x2h2-86wp
Updated
2026-11-02
OSV No score

Mozilla Firefox before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept self-signed certificates for the auto-update mechanism, which might allow remote user-assisted attackers to use DNS spoofing to trick users into visiting a malicious site and accepting a malicious certificate for the Mozilla update site, which can then be used to install arbitrary code on the next update.

Record
CVE-2006-4567
Updated
2026-11-02
OSVDEBIAN-CVE-2006-4567 No score

Mozilla Firefox before 1.5.0.7 and Thunderbird before 1.5.0.7 makes it easy for users to accept self-signed certificates for the auto-update mechanism, which might allow remote user-assisted attackers to use DNS spoofing to trick users into visiting a malicious site and accepting a malicious certificate for the Mozilla update site, which can then be used to install arbitrary code on the next update.

Record
DEBIAN-CVE-2006-4567
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
thunderbird
Debian:12
 before 1.5.0.7-1
1.5.0.7-1
thunderbird
Debian:13
 before 1.5.0.7-1
1.5.0.7-1
thunderbird
Debian:14
 before 1.5.0.7-1
1.5.0.7-1
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
Show 9 moreShow less
Affected packages
PackageAffectedFixed
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
thunderbird
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
thunderbird
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
thunderbird
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
thunderbird
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
 before 0:1.5.0.7-0.1.el4
0:1.5.0.7-0.1.el4

History

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

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

In short

CVE-2006-4567 is a low vulnerability (CVSS 2.6) in Mozilla Firefox, published September 15, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.94%, the 80th percentile. Fixed in thunderbird 1.5.0.7-1.

References

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