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CVE-2011-2373

Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird...

7.6 High

CVE-2011-2373 is a high vulnerability (CVSS 7.6) in Mozilla Firefox, published June 30, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.96%, the 92nd percentile. No source names a fixed version.

What does this mean?
Severity
7.6 HighCVSS 2.0, NVD
Exploit chance
4.96%EPSS, 92nd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14, when JavaScript is disabled, allows remote attackers to execute arbitrary code via a crafted XUL document.

Exploit likelihood

4.96%Down 5.0 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
iceweasel
Debian:6.0
From an advisory covering 10 CVEs
before 3.5.16-8, plus listed versions
3.5.16-43.5.16-53.5.16-5~bpo50+13.5.16-63.5.16-6~bpo50+13.5.16-73.5.16-7~bpo50+13.5.16-8~bpo50+1
3.5.16-8
xulrunner
Debian:5.0
From an advisory covering 10 CVEs
before 1.9.0.19-12, 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 25 moreShow less
1.9.0.13-0lenny11.9.0.13-11.9.0.14-0lenny11.9.0.14-11.9.0.15-0lenny11.9.0.16-11.9.0.18-11.9.0.19-11.9.0.19-111.9.0.19-21.9.0.19-31.9.0.19-41.9.0.19-51.9.0.19-61.9.0.19-71.9.0.19-81.9.0.19-91.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny21.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1
1.9.0.19-12
iceape
Debian:6.0
From an advisory covering 10 CVEs
before 2.0.11-6, plus listed versions
2.0.11-22.0.11-32.0.11-42.0.11-5
2.0.11-6
icedove
Debian:6.0
From an advisory covering 10 CVEs
before 3.0.11-1+squeeze3, plus listed versions
3.0.11-13.0.11-1+squeeze13.0.11-1+squeeze2
3.0.11-1+squeeze3
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:3.6.18-2.el4
0:3.6.18-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:3.6.18-2.el4
0:3.6.18-2.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:3.6.18-2.el4
0:3.6.18-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:3.6.18-2.el4
0:3.6.18-2.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:3.6.18-2.el4
0:3.6.18-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:3.6.18-2.el4
0:3.6.18-2.el4
Show 55 moreShow less
Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:3.6.18-2.el4
0:3.6.18-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:3.6.18-2.el4
0:3.6.18-2.el4
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 13 CVEs
before 0:3.6.18-1.el5_6
0:3.6.18-1.el5_6
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 13 CVEs
before 0:3.6.18-1.el5_6
0:3.6.18-1.el5_6
xulrunner
Red Hat:enterprise_linux:5::server
From an advisory covering 13 CVEs
before 0:1.9.2.18-2.el5_6
0:1.9.2.18-2.el5_6
xulrunner-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 13 CVEs
before 0:1.9.2.18-2.el5_6
0:1.9.2.18-2.el5_6
xulrunner-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 13 CVEs
before 0:1.9.2.18-2.el5_6
0:1.9.2.18-2.el5_6
firefox
Red Hat:enterprise_linux:6::server
From an advisory covering 13 CVEs
before 0:3.6.18-1.el6_1
0:3.6.18-1.el6_1
firefox-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 13 CVEs
before 0:3.6.18-1.el6_1
0:3.6.18-1.el6_1
xulrunner
Red Hat:enterprise_linux:6::server
From an advisory covering 13 CVEs
before 0:1.9.2.18-2.el6_1
0:1.9.2.18-2.el6_1
xulrunner-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 13 CVEs
before 0:1.9.2.18-2.el6_1
0:1.9.2.18-2.el6_1
xulrunner-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 13 CVEs
before 0:1.9.2.18-2.el6_1
0:1.9.2.18-2.el6_1
thunderbird
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.5.0.12-39.el4
0:1.5.0.12-39.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.5.0.12-39.el4
0:1.5.0.12-39.el4
thunderbird
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.5.0.12-39.el4
0:1.5.0.12-39.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.5.0.12-39.el4
0:1.5.0.12-39.el4
thunderbird
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.5.0.12-39.el4
0:1.5.0.12-39.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.5.0.12-39.el4
0:1.5.0.12-39.el4
thunderbird
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.5.0.12-39.el4
0:1.5.0.12-39.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.5.0.12-39.el4
0:1.5.0.12-39.el4
thunderbird
Red Hat:enterprise_linux:5::client
From an advisory covering 13 CVEs
before 0:2.0.0.24-18.el5_6
0:2.0.0.24-18.el5_6
thunderbird-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 13 CVEs
before 0:2.0.0.24-18.el5_6
0:2.0.0.24-18.el5_6
thunderbird
Red Hat:rhel_productivity:5
From an advisory covering 13 CVEs
before 0:2.0.0.24-18.el5_6
0:2.0.0.24-18.el5_6
thunderbird-debuginfo
Red Hat:rhel_productivity:5
From an advisory covering 13 CVEs
before 0:2.0.0.24-18.el5_6
0:2.0.0.24-18.el5_6
seamonkey
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-chat
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-mail
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-chat
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-mail
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-chat
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-mail
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-chat
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-js-debugger
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
seamonkey-mail
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
before 0:1.0.9-71.el4
0:1.0.9-71.el4
MozillaFirefox
openSUSE:Tumbleweed
From an advisory covering 899 CVEs
before 50.1.0-1.1
50.1.0-1.1
MozillaThunderbird
openSUSE:Tumbleweed
From an advisory covering 560 CVEs
before 45.5.1-1.1
45.5.1-1.1
firefox-esr
openSUSE:Tumbleweed
From an advisory covering 1860 CVEs
before 128.5.1-1.1
128.5.1-1.1

What each source reports

NVD Score used7.6

Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14, when JavaScript is disabled, allows remote attackers to execute arbitrary code via a crafted XUL document.

Record
CVE-2011-2373
CVSS 2.0
7.6 HighAV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness
CWE-399
Updated
2026-11-02
CVE ListNo score

Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14, when JavaScript is disabled, allows remote attackers to execute arbitrary code via a crafted XUL document.

Record
CVE-2011-2373
Updated
2026-11-02
EUVDEUVD-2011-2362No score

Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14, when JavaScript is disabled, allows remote attackers to execute arbitrary code via a crafted XUL document.

Record
EUVD-2011-2362
Updated
2026-11-03
GitHub AdvisoriesGHSA-2g6x-7c5j-qpjfNo score

Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird...

Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14, when JavaScript is disabled, allows remote attackers to execute arbitrary code via a crafted XUL document.

Record
GHSA-2g6x-7c5j-qpjf
Updated
2026-11-02
OSVopenSUSE-SU-2024:10071-1No score

MozillaFirefox-50.1.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-50.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10071-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10218-1No score

seamonkey-2.40-6.1 on GA media

These are all security issues fixed in the seamonkey-2.40-6.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10218-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10230-1No score

MozillaThunderbird-45.5.1-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-45.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10230-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:14572-1No score

firefox-esr-128.5.1-1.1 on GA media

These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:14572-1
Updated
2026-11-02

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.

References

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