CVE-2012-5829
Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox before 17.0...
9.3 HighFix available
Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.
Exploit likelihood
8.44%Down 1.5 points since Feb 4, 2022
What each source reports
NVD Score used
Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.
- Record
CVE-2012-5829- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.
- Record
CVE-2012-5829- Updated
- 2026-11-02
EUVDEUVD-2012-5707 No score
Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.
- Record
EUVD-2012-5707- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5h6m-6wc7-jxv6 No score
Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox before 17.0...
Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.
- Record
GHSA-5h6m-6wc7-jxv6- Weakness
- CWE-787
- 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
- mozilla firefox
- mozilla seamonkey
- mozilla thunderbird
- mozilla thunderbird esr
- canonical ubuntu linux
- debian linux
- opensuse
- redhat enterprise linux desktop
- redhat enterprise linux eus
- redhat enterprise linux server
- redhat enterprise linux workstation
- suse linux enterprise desktop
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Affected packages
| Package | Affected | Fixed |
|---|---|---|
iceweaselDebian:6.0 |
before 3.5.16-20, plus listed versions 3.5.16-103.5.16-10~bpo50+13.5.16-113.5.16-11~bpo50+13.5.16-12 Show 17 moreShow less3.5.16-133.5.16-143.5.16-153.5.16-163.5.16-173.5.16-183.5.16-193.5.16-43.5.16-53.5.16-5~bpo50+13.5.16-63.5.16-6~bpo50+13.5.16-73.5.16-7~bpo50+13.5.16-83.5.16-8~bpo50+13.5.16-9 |
3.5.16-20 |
iceapeDebian:6.0 |
before 2.0.11-17, plus listed versions 2.0.11-102.0.11-112.0.11-122.0.11-132.0.11-14 Show 10 moreShow less2.0.11-152.0.11-162.0.11-22.0.11-32.0.11-42.0.11-52.0.11-62.0.11-72.0.11-82.0.11-9 |
2.0.11-17 |
icedoveDebian:6.0 |
before 3.0.11-1+squeeze15, plus listed versions 3.0.11-13.0.11-1+squeeze13.0.11-1+squeeze103.0.11-1+squeeze113.0.11-1+squeeze12 Show 10 moreShow less3.0.11-1+squeeze133.0.11-1+squeeze143.0.11-1+squeeze23.0.11-1+squeeze33.0.11-1+squeeze43.0.11-1+squeeze53.0.11-1+squeeze63.0.11-1+squeeze73.0.11-1+squeeze83.0.11-1+squeeze9 |
3.0.11-1+squeeze15 |
firefoxRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
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| Package | Affected | Fixed |
|---|---|---|
firefoxRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
firefoxRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
thunderbird-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
thunderbirdRed Hat:rhel_productivity:5 |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
thunderbird-debuginfoRed Hat:rhel_productivity:5 |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
thunderbirdRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
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-2012-5829 is a high vulnerability (CVSS 9.3) in Mozilla Firefox, published November 21, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.44%, the 95th percentile. Fixed in iceweasel 3.5.16-20.
References
ubuntu.com/usn/USN-1638-3
secunia.com/advisories/51370
lists.opensuse.org/opensuse-security-announce/2013-01/msg00006.html
Show 194 moreShow less
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16849
rhn.redhat.com/errata/RHSA-2012-1483.html
debian.org/security/2012/dsa-2584
mozilla.org/security/announce/2013/mfsa2013-02.html
bugzilla.mozilla.org/show_bug.cgi?id=792305
osvdb.org/87608
securityfocus.com/bid/56636
mandriva.com/security/advisories?name=MDVSA-2012:173
exchange.xforce.ibmcloud.com/vulnerabilities/80195
nvd.nist.gov/vuln/detail/CVE-2012-5829
github.com/advisories/GHSA-5h6m-6wc7-jxv6
access.redhat.com/errata/RHSA-2012:1482
bugzilla.redhat.com/show_bug.cgi?id=877614
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1482.json
cve.org/CVERecord?id=CVE-2012-4201
suse.com/security/cve/CVE-2008-5913
This page doesn't list everything
Left out here: 2,008 references. The JSON record has them.