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CVE-2011-3647

The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not...

9.3 High

The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attackers to gain privileges via a crafted web site that leverages certain unwrapping behavior, a related issue to CVE-2011-3004.

Exploit likelihood

1.88%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attackers to gain privileges via a crafted web site that leverages certain unwrapping behavior, a related issue to CVE-2011-3004.

Record
CVE-2011-3647
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attackers to gain privileges via a crafted web site that leverages certain unwrapping behavior, a related issue to CVE-2011-3004.

Record
CVE-2011-3647
Updated
2026-11-02
EUVDEUVD-2011-3606 No score

The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attackers to gain privileges via a crafted web site that leverages certain unwrapping behavior, a related issue to CVE-2011-3004.

Record
EUVD-2011-3606
Updated
2026-11-03
GitHub AdvisoriesGHSA-jqqv-7cc8-34qh No score

The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not...

The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attackers to gain privileges via a crafted web site that leverages certain unwrapping behavior, a related issue to CVE-2011-3004.

Record
GHSA-jqqv-7cc8-34qh
Weakness
CWE-20
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
iceweasel
Debian:6.0
From an advisory covering 3 CVEs
 before 3.5.16-11, plus listed versions
3.5.16-103.5.16-10~bpo50+13.5.16-11~bpo50+13.5.16-43.5.16-5
Show 8 moreShow less
3.5.16-5~bpo50+13.5.16-63.5.16-6~bpo50+13.5.16-73.5.16-7~bpo50+13.5.16-83.5.16-8~bpo50+13.5.16-9
3.5.16-11
xulrunner
Debian:5.0
From an advisory covering 3 CVEs
 before 1.9.0.19-15, plus listed versions
1.9.0.10-11.9.0.11-0lenny11.9.0.11-11.9.0.12-0lenny11.9.0.12-1
Show 28 moreShow less
1.9.0.13-0lenny11.9.0.13-11.9.0.14-0lenny11.9.0.14-11.9.0.15-0lenny11.9.0.16-11.9.0.18-11.9.0.19-11.9.0.19-111.9.0.19-121.9.0.19-131.9.0.19-141.9.0.19-21.9.0.19-31.9.0.19-41.9.0.19-51.9.0.19-61.9.0.19-71.9.0.19-81.9.0.19-91.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny21.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1
1.9.0.19-15
iceape
Debian:6.0
From an advisory covering 3 CVEs
 before 2.0.11-9, plus listed versions
2.0.11-22.0.11-32.0.11-42.0.11-52.0.11-62.0.11-72.0.11-8
2.0.11-9
icedove
Debian:6.0
From an advisory covering 3 CVEs
 before 3.0.11-1+squeeze6, plus listed versions
3.0.11-13.0.11-1+squeeze13.0.11-1+squeeze23.0.11-1+squeeze33.0.11-1+squeeze43.0.11-1+squeeze5
3.0.11-1+squeeze6
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el4
0:3.6.24-3.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el4
0:3.6.24-3.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el4
0:3.6.24-3.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el4
0:3.6.24-3.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el4
0:3.6.24-3.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el4
0:3.6.24-3.el4
Show 21 moreShow less
Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el4
0:3.6.24-3.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el4
0:3.6.24-3.el4
firefox
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el5_7
0:3.6.24-3.el5_7
firefox-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el5_7
0:3.6.24-3.el5_7
xulrunner
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el5_7
0:1.9.2.24-2.el5_7
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el5_7
0:1.9.2.24-2.el5_7
xulrunner
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el5_7
0:1.9.2.24-2.el5_7
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el5_7
0:1.9.2.24-2.el5_7
xulrunner-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el5_7
0:1.9.2.24-2.el5_7
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el5_7
0:3.6.24-3.el5_7
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el5_7
0:3.6.24-3.el5_7
xulrunner
Red Hat:enterprise_linux:5::server
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el5_7
0:1.9.2.24-2.el5_7
xulrunner-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el5_7
0:1.9.2.24-2.el5_7
xulrunner-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el5_7
0:1.9.2.24-2.el5_7
firefox
Red Hat:enterprise_linux:6::server
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el6_1
0:3.6.24-3.el6_1
firefox-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 3 CVEs
 before 0:3.6.24-3.el6_1
0:3.6.24-3.el6_1
xulrunner
Red Hat:enterprise_linux:6::server
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el6_1.1
0:1.9.2.24-2.el6_1.1
xulrunner-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el6_1.1
0:1.9.2.24-2.el6_1.1
xulrunner-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 3 CVEs
 before 0:1.9.2.24-2.el6_1.1
0:1.9.2.24-2.el6_1.1
thunderbird
Red Hat:enterprise_linux:6::server
From an advisory covering 3 CVEs
 before 0:3.1.16-2.el6_1
0:3.1.16-2.el6_1
thunderbird-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 3 CVEs
 before 0:3.1.16-2.el6_1
0:3.1.16-2.el6_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-2011-3647 is a high vulnerability (CVSS 9.3) in Mozilla Firefox, published November 9, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.88%, the 79th percentile. No source names a fixed version.

References

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