Every CVESearch/Get API key

CVE-2006-4566

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows...

5.0 MediumFix available

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ("[\"), which leads to a buffer over-read.

Exploit likelihood

4.08%Down 0.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used5.0

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ("[\"), which leads to a buffer over-read.

Record
CVE-2006-4566
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE ListNo score

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ("[\"), which leads to a buffer over-read.

Record
CVE-2006-4566
Updated
2026-11-02
EUVDEUVD-2006-4554No score

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ("[\"), which leads to a buffer over-read.

Record
EUVD-2006-4554
Updated
2026-11-03
GitHub AdvisoriesGHSA-vr27-vq6j-wvvpNo score

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows...

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ("[\"), which leads to a buffer over-read.

Record
GHSA-vr27-vq6j-wvvp
Updated
2026-11-02
OSVNo score

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ("[\"), which leads to a buffer over-read.

Record
CVE-2006-4566
Updated
2026-11-02
OSVDEBIAN-CVE-2006-4566No score

Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ("[\"), which leads to a buffer over-read.

Record
DEBIAN-CVE-2006-4566
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
mozilla-thunderbird
Debian:3.1
From an advisory covering 7 CVEs
before 1.0.2-2.sarge1.0.8c.1, plus listed versions
1.0.2-21.0.2-2.sarge1.0.61.0.2-2.sarge1.0.71.0.2-2.sarge1.0.81.0.2-2.sarge1.0.8a1.0.2-2.sarge1.0.8b.11.0.2-2.sarge1.0.8b.2
1.0.2-2.sarge1.0.8c.1
mozilla
Debian:3.1
From an advisory covering 7 CVEs
before 2:1.7.8-1sarge7.3.1, plus listed versions
2:1.7.8-12:1.7.8-1sarge12:1.7.8-1sarge22:1.7.8-1sarge32:1.7.8-1sarge5
Show 5 moreShow less
2:1.7.8-1sarge62:1.7.8-1sarge72:1.7.8-1sarge7.12:1.7.8-1sarge7.2.12:1.7.8-1sarge7.2.2
2:1.7.8-1sarge7.3.1
mozilla-firefox
Debian:3.1
From an advisory covering 6 CVEs
before 1.0.4-2sarge12, plus listed versions
1.0.4-21.0.4-2sarge11.0.4-2sarge101.0.4-2sarge111.0.4-2sarge2
Show 6 moreShow less
1.0.4-2sarge31.0.4-2sarge41.0.4-2sarge51.0.4-2sarge61.0.4-2sarge71.0.4-2sarge9
1.0.4-2sarge12
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
Show 96 moreShow less
Affected packages
PackageAffectedFixed
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
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
seamonkey
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-chat
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-mail
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nss
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-chat
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-mail
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nss
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-chat
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-mail
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nss
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-chat
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-mail
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nss
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el3
0:1.0.5-0.1.el3
devhelp
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
devhelp-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
devhelp-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
seamonkey
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-chat
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-mail
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
devhelp
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
devhelp-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
devhelp-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
seamonkey
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-chat
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-mail
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
devhelp
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
devhelp-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
devhelp-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
seamonkey
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-chat
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-mail
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
devhelp
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
devhelp-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
devhelp-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:0.10-0.4.el4
0:0.10-0.4.el4
seamonkey
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-chat
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.el4
seamonkey-mail
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.0.5-0.1.el4
0:1.0.5-0.1.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
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2006-4566 is a medium vulnerability (CVSS 5.0) 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 4.08%, the 90th percentile. Fixed in thunderbird 1.5.0.7-1.

References

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