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CVE-2006-1742

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8,...

5.0 MediumFix available

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly handle temporary variables that are not garbage collected, which might allow remote attackers to trigger operations on freed memory and cause memory corruption.

Exploit likelihood

3.97%Down 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly handle temporary variables that are not garbage collected, which might allow remote attackers to trigger operations on freed memory and cause memory corruption.

Record
CVE-2006-1742
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Updated
2026-11-02
CVE List No score

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly handle temporary variables that are not garbage collected, which might allow remote attackers to trigger operations on freed memory and cause memory corruption.

Record
CVE-2006-1742
Updated
2026-11-02
EUVDEUVD-2006-1742 No score

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly handle temporary variables that are not garbage collected, which might allow remote attackers to trigger operations on freed memory and cause memory corruption.

Record
EUVD-2006-1742
Updated
2026-11-03
GitHub AdvisoriesGHSA-7mq9-p447-2gr2 No score

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8,...

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly handle temporary variables that are not garbage collected, which might allow remote attackers to trigger operations on freed memory and cause memory corruption.

Record
GHSA-7mq9-p447-2gr2
Updated
2026-11-02
OSV No score

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly handle temporary variables that are not garbage collected, which might allow remote attackers to trigger operations on freed memory and cause memory corruption.

Record
CVE-2006-1742
Updated
2026-11-02
OSVDEBIAN-CVE-2006-1742 No score

The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly handle temporary variables that are not garbage collected, which might allow remote attackers to trigger operations on freed memory and cause memory corruption.

Record
DEBIAN-CVE-2006-1742
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
From an advisory covering 23 CVEs
 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
From an advisory covering 31 CVEs
 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
From an advisory covering 28 CVEs
 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
From an advisory covering 19 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
Show 24 moreShow less
Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
devhelp
Red Hat:enterprise_linux:4::as
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp
Red Hat:enterprise_linux:4::desktop
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp
Red Hat:enterprise_linux:4::es
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp
Red Hat:enterprise_linux:4::ws
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
devhelp-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 20 CVEs
 before 0:0.9.2-2.4.8
0:0.9.2-2.4.8
thunderbird
Red Hat:enterprise_linux:4::as
From an advisory covering 21 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
thunderbird-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 21 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
thunderbird
Red Hat:enterprise_linux:4::desktop
From an advisory covering 21 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
thunderbird-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 21 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
thunderbird
Red Hat:enterprise_linux:4::es
From an advisory covering 21 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
thunderbird-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 21 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
thunderbird
Red Hat:enterprise_linux:4::ws
From an advisory covering 21 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1
thunderbird-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 21 CVEs
 before 0:1.0.8-1.4.1
0:1.0.8-1.4.1

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-2006-1742 is a medium vulnerability (CVSS 5.0) 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 3.97%, the 90th percentile. Fixed in thunderbird 1.5.0.2-1.

References

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Left out here: 5 references. The JSON record has them.

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