CVE-2011-2373
Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird...
7.6 HighFix available
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
What each source reports
NVD Score used
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 High
AV:N/AC:H/Au:N/C:C/I:C/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No 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-2011-2362 No 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-qpjf No 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-2024:10071-1 No 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-2024:10218-1 No 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-2024:10230-1 No 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-2024:14572-1 No 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
iceweaselDebian:6.0 |
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 |
xulrunnerDebian:5.0 |
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 less1.9.0.13-0lenny11.9.0.13-11.9.0.14-0lenny11.9.0.14-11.9.0.15-0lenny11.9.0.16-11.9.0.18-11.9.0.19-11.9.0.19-111.9.0.19-21.9.0.19-31.9.0.19-41.9.0.19-51.9.0.19-61.9.0.19-71.9.0.19-81.9.0.19-91.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny21.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1 |
1.9.0.19-12 |
iceapeDebian:6.0 |
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 |
icedoveDebian:6.0 |
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 |
firefoxRed Hat:enterprise_linux:4::as |
before 0:3.6.18-2.el4 | 0:3.6.18-2.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::as |
before 0:3.6.18-2.el4 | 0:3.6.18-2.el4 |
firefoxRed Hat:enterprise_linux:4::desktop |
before 0:3.6.18-2.el4 | 0:3.6.18-2.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::desktop |
before 0:3.6.18-2.el4 | 0:3.6.18-2.el4 |
firefoxRed Hat:enterprise_linux:4::es |
before 0:3.6.18-2.el4 | 0:3.6.18-2.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::es |
before 0:3.6.18-2.el4 | 0:3.6.18-2.el4 |
Show 55 moreShow less
| Package | Affected | Fixed |
|---|---|---|
firefoxRed Hat:enterprise_linux:4::ws |
before 0:3.6.18-2.el4 | 0:3.6.18-2.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::ws |
before 0:3.6.18-2.el4 | 0:3.6.18-2.el4 |
firefoxRed Hat:enterprise_linux:5::server |
before 0:3.6.18-1.el5_6 | 0:3.6.18-1.el5_6 |
firefox-debuginfoRed Hat:enterprise_linux:5::server |
before 0:3.6.18-1.el5_6 | 0:3.6.18-1.el5_6 |
xulrunnerRed Hat:enterprise_linux:5::server |
before 0:1.9.2.18-2.el5_6 | 0:1.9.2.18-2.el5_6 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::server |
before 0:1.9.2.18-2.el5_6 | 0:1.9.2.18-2.el5_6 |
xulrunner-develRed Hat:enterprise_linux:5::server |
before 0:1.9.2.18-2.el5_6 | 0:1.9.2.18-2.el5_6 |
firefoxRed Hat:enterprise_linux:6::server |
before 0:3.6.18-1.el6_1 | 0:3.6.18-1.el6_1 |
firefox-debuginfoRed Hat:enterprise_linux:6::server |
before 0:3.6.18-1.el6_1 | 0:3.6.18-1.el6_1 |
xulrunnerRed Hat:enterprise_linux:6::server |
before 0:1.9.2.18-2.el6_1 | 0:1.9.2.18-2.el6_1 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server |
before 0:1.9.2.18-2.el6_1 | 0:1.9.2.18-2.el6_1 |
xulrunner-develRed Hat:enterprise_linux:6::server |
before 0:1.9.2.18-2.el6_1 | 0:1.9.2.18-2.el6_1 |
thunderbirdRed Hat:enterprise_linux:4::as |
before 0:1.5.0.12-39.el4 | 0:1.5.0.12-39.el4 |
thunderbird-debuginfoRed Hat:enterprise_linux:4::as |
before 0:1.5.0.12-39.el4 | 0:1.5.0.12-39.el4 |
thunderbirdRed Hat:enterprise_linux:4::desktop |
before 0:1.5.0.12-39.el4 | 0:1.5.0.12-39.el4 |
thunderbird-debuginfoRed Hat:enterprise_linux:4::desktop |
before 0:1.5.0.12-39.el4 | 0:1.5.0.12-39.el4 |
thunderbirdRed Hat:enterprise_linux:4::es |
before 0:1.5.0.12-39.el4 | 0:1.5.0.12-39.el4 |
thunderbird-debuginfoRed Hat:enterprise_linux:4::es |
before 0:1.5.0.12-39.el4 | 0:1.5.0.12-39.el4 |
thunderbirdRed Hat:enterprise_linux:4::ws |
before 0:1.5.0.12-39.el4 | 0:1.5.0.12-39.el4 |
thunderbird-debuginfoRed Hat:enterprise_linux:4::ws |
before 0:1.5.0.12-39.el4 | 0:1.5.0.12-39.el4 |
thunderbirdRed Hat:enterprise_linux:5::client |
before 0:2.0.0.24-18.el5_6 | 0:2.0.0.24-18.el5_6 |
thunderbird-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.0.0.24-18.el5_6 | 0:2.0.0.24-18.el5_6 |
thunderbirdRed Hat:rhel_productivity:5 |
before 0:2.0.0.24-18.el5_6 | 0:2.0.0.24-18.el5_6 |
thunderbird-debuginfoRed Hat:rhel_productivity:5 |
before 0:2.0.0.24-18.el5_6 | 0:2.0.0.24-18.el5_6 |
seamonkeyRed Hat:enterprise_linux:4::as |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-chatRed Hat:enterprise_linux:4::as |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-debuginfoRed Hat:enterprise_linux:4::as |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-develRed Hat:enterprise_linux:4::as |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-dom-inspectorRed Hat:enterprise_linux:4::as |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-js-debuggerRed Hat:enterprise_linux:4::as |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-mailRed Hat:enterprise_linux:4::as |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkeyRed Hat:enterprise_linux:4::desktop |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-chatRed Hat:enterprise_linux:4::desktop |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-debuginfoRed Hat:enterprise_linux:4::desktop |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-develRed Hat:enterprise_linux:4::desktop |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-dom-inspectorRed Hat:enterprise_linux:4::desktop |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-js-debuggerRed Hat:enterprise_linux:4::desktop |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-mailRed Hat:enterprise_linux:4::desktop |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkeyRed Hat:enterprise_linux:4::es |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-chatRed Hat:enterprise_linux:4::es |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-debuginfoRed Hat:enterprise_linux:4::es |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-develRed Hat:enterprise_linux:4::es |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-dom-inspectorRed Hat:enterprise_linux:4::es |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-js-debuggerRed Hat:enterprise_linux:4::es |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-mailRed Hat:enterprise_linux:4::es |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkeyRed Hat:enterprise_linux:4::ws |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-chatRed Hat:enterprise_linux:4::ws |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-debuginfoRed Hat:enterprise_linux:4::ws |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-develRed Hat:enterprise_linux:4::ws |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-dom-inspectorRed Hat:enterprise_linux:4::ws |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-js-debuggerRed Hat:enterprise_linux:4::ws |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
seamonkey-mailRed Hat:enterprise_linux:4::ws |
before 0:1.0.9-71.el4 | 0:1.0.9-71.el4 |
MozillaFirefoxopenSUSE:Tumbleweed |
before 50.1.0-1.1 | 50.1.0-1.1 |
MozillaThunderbirdopenSUSE:Tumbleweed |
before 45.5.1-1.1 | 45.5.1-1.1 |
firefox-esropenSUSE:Tumbleweed |
before 128.5.1-1.1 | 128.5.1-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
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. Fixed in iceweasel 3.5.16-8.
References
mandriva.com/security/advisories?name=MDVSA-2011:111
secunia.com/advisories/45002
support.avaya.com/css/P8/documents/100145333
ubuntu.com/usn/USN-1149-1
redhat.com/support/errata/RHSA-2011-0887.html
Show 194 moreShow less
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14178
debian.org/security/2011/dsa-2268
mozilla.org/security/announce/2011/mfsa2011-20.html
bugzilla.mozilla.org/show_bug.cgi?id=617247
lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html
exchange.xforce.ibmcloud.com/vulnerabilities/68133
nvd.nist.gov/vuln/detail/CVE-2011-2373
github.com/advisories/GHSA-2g6x-7c5j-qpjf
access.redhat.com/errata/RHSA-2011:0885
bugzilla.redhat.com/show_bug.cgi?id=698313
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_0885.json
cve.org/CVERecord?id=CVE-2011-0083
suse.com/security/cve/CVE-2008-5913
This page doesn't list everything
Left out here: 1,970 references. The JSON record has them.