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CVE-2011-2983

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and...

4.3 Medium

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products does not properly handle the RegExp.input property, which allows remote attackers to bypass the Same Origin Policy and read data from a different domain via a crafted web site, possibly related to a use-after-free.

Exploit likelihood

1.59%Down 1.8 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products does not properly handle the RegExp.input property, which allows remote attackers to bypass the Same Origin Policy and read data from a different domain via a crafted web site, possibly related to a use-after-free.

Record
CVE-2011-2983
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE List No score

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products does not properly handle the RegExp.input property, which allows remote attackers to bypass the Same Origin Policy and read data from a different domain via a crafted web site, possibly related to a use-after-free.

Record
CVE-2011-2983
Updated
2026-11-02
EUVDEUVD-2011-2951 No score

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products does not properly handle the RegExp.input property, which allows remote attackers to bypass the Same Origin Policy and read data from a different domain via a crafted web site, possibly related to a use-after-free.

Record
EUVD-2011-2951
Updated
2026-11-03
GitHub AdvisoriesGHSA-wmwp-4vqm-9jhc No score

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and...

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products does not properly handle the RegExp.input property, which allows remote attackers to bypass the Same Origin Policy and read data from a different domain via a crafted web site, possibly related to a use-after-free.

Record
GHSA-wmwp-4vqm-9jhc
Weakness
CWE-200
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 59 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
thunderbird
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.5.0.12-40.el4
0:1.5.0.12-40.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.5.0.12-40.el4
0:1.5.0.12-40.el4
thunderbird
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.5.0.12-40.el4
0:1.5.0.12-40.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.5.0.12-40.el4
0:1.5.0.12-40.el4
thunderbird
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.5.0.12-40.el4
0:1.5.0.12-40.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.5.0.12-40.el4
0:1.5.0.12-40.el4
thunderbird
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.5.0.12-40.el4
0:1.5.0.12-40.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.5.0.12-40.el4
0:1.5.0.12-40.el4
thunderbird
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 0:2.0.0.24-21.el5
0:2.0.0.24-21.el5
thunderbird-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 0:2.0.0.24-21.el5
0:2.0.0.24-21.el5
thunderbird
Red Hat:rhel_productivity:5
From an advisory covering 2 CVEs
 before 0:2.0.0.24-21.el5
0:2.0.0.24-21.el5
thunderbird-debuginfo
Red Hat:rhel_productivity:5
From an advisory covering 2 CVEs
 before 0:2.0.0.24-21.el5
0:2.0.0.24-21.el5
seamonkey
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-chat
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-mail
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-chat
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-mail
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-chat
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-mail
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-chat
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.el4
seamonkey-mail
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:1.0.9-72.el4
0:1.0.9-72.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-2011-2983 is a medium vulnerability (CVSS 4.3) 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 1.59%, the 75th percentile. No source names a fixed version.

References

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