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CVE-2011-2984

Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other...

10.0 High

Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly handle the dropping of a tab element, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges by establishing a content area and registering for drop events.

Exploit likelihood

3.59%Up 1.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 10.0

Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly handle the dropping of a tab element, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges by establishing a content area and registering for drop events.

Record
CVE-2011-2984
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-94
Updated
2026-11-02
CVE List No score

Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly handle the dropping of a tab element, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges by establishing a content area and registering for drop events.

Record
CVE-2011-2984
Updated
2026-11-02
EUVDEUVD-2011-2952 No score

Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly handle the dropping of a tab element, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges by establishing a content area and registering for drop events.

Record
EUVD-2011-2952
Updated
2026-11-03
GitHub AdvisoriesGHSA-m776-wvh3-f9x8 No score

Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other...

Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly handle the dropping of a tab element, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges by establishing a content area and registering for drop events.

Record
GHSA-m776-wvh3-f9x8
Weakness
CWE-94
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
iceape
Debian:6.0
From an advisory covering 6 CVEs
before 2.0.11-7, plus listed versions
2.0.11-22.0.11-32.0.11-42.0.11-52.0.11-6
2.0.11-7
iceweasel
Debian:6.0
From an advisory covering 6 CVEs
before 3.5.16-9, plus listed versions
3.5.16-43.5.16-53.5.16-5~bpo50+13.5.16-63.5.16-6~bpo50+1
Show 4 moreShow less
3.5.16-73.5.16-7~bpo50+13.5.16-83.5.16-8~bpo50+1
3.5.16-9
xulrunner
Debian:5.0
From an advisory covering 6 CVEs
before 1.9.0.19-13, 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 26 moreShow less
1.9.0.13-0lenny11.9.0.13-11.9.0.14-0lenny11.9.0.14-11.9.0.15-0lenny11.9.0.16-11.9.0.18-11.9.0.19-11.9.0.19-111.9.0.19-121.9.0.19-21.9.0.19-31.9.0.19-41.9.0.19-51.9.0.19-61.9.0.19-71.9.0.19-81.9.0.19-91.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny21.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1
1.9.0.19-13
icedove
Debian:6.0
From an advisory covering 6 CVEs
before 3.0.11-1+squeeze4, plus listed versions
3.0.11-13.0.11-1+squeeze13.0.11-1+squeeze23.0.11-1+squeeze3
3.0.11-1+squeeze4
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
before 0:3.6.20-2.el4
0:3.6.20-2.el4
Show 19 moreShow less
Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
before 0:3.6.20-2.el4
0:3.6.20-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
before 0:3.6.20-2.el4
0:3.6.20-2.el4
xulrunner
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
firefox
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:3.6.20-2.el5
0:3.6.20-2.el5
firefox-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:3.6.20-2.el5
0:3.6.20-2.el5
xulrunner
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:3.6.20-2.el5
0:3.6.20-2.el5
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:3.6.20-2.el5
0:3.6.20-2.el5
xulrunner
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
xulrunner-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el5
0:1.9.2.20-2.el5
firefox
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:3.6.20-2.el6_1
0:3.6.20-2.el6_1
firefox-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:3.6.20-2.el6_1
0:3.6.20-2.el6_1
xulrunner
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el6_1
0:1.9.2.20-2.el6_1
xulrunner-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el6_1
0:1.9.2.20-2.el6_1
xulrunner-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:1.9.2.20-2.el6_1
0:1.9.2.20-2.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-2011-2984 is a high vulnerability (CVSS 10.0) in Mozilla Firefox, published August 17, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.59%, the 89th percentile. No source names a fixed version.

References

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