CVE-2010-2766
The normalizeDocument function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9,...
9.3 High
The normalizeDocument function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 does not properly handle the removal of DOM nodes during normalization, which might allow remote attackers to execute arbitrary code via vectors involving access to a deleted object.
Exploit likelihood
5.37%Down 6.9 points since Feb 4, 2022
What each source reports
NVD Score used
The normalizeDocument function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 does not properly handle the removal of DOM nodes during normalization, which might allow remote attackers to execute arbitrary code via vectors involving access to a deleted object.
- Record
CVE-2010-2766- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
The normalizeDocument function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 does not properly handle the removal of DOM nodes during normalization, which might allow remote attackers to execute arbitrary code via vectors involving access to a deleted object.
- Record
CVE-2010-2766- Updated
- 2026-11-02
EUVDEUVD-2010-2770 No score
The normalizeDocument function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 does not properly handle the removal of DOM nodes during normalization, which might allow remote attackers to execute arbitrary code via vectors involving access to a deleted object.
- Record
EUVD-2010-2770- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hhc2-ffw9-rjr6 No score
The normalizeDocument function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9,...
The normalizeDocument function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 does not properly handle the removal of DOM nodes during normalization, which might allow remote attackers to execute arbitrary code via vectors involving access to a deleted object.
- Record
GHSA-hhc2-ffw9-rjr6- Weakness
- CWE-94
- 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 |
|---|---|---|
xulrunnerDebian:5.0 From an advisory covering 10 CVEs |
before 1.9.0.19-4, 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 18 moreShow less1.9.0.13-0lenny11.9.0.13-11.9.0.14-0lenny11.9.0.14-11.9.0.15-0lenny11.9.0.16-11.9.0.18-11.9.0.19-11.9.0.19-21.9.0.19-31.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny21.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1 |
1.9.0.19-4 |
firefoxRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:3.6.9-1.el4 | 0:3.6.9-1.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:3.6.9-1.el4 | 0:3.6.9-1.el4 |
nsprRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nspr-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nspr-develRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nssRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-develRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-toolsRed Hat:enterprise_linux:4::as From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
Show 62 moreShow less
| Package | Affected | Fixed |
|---|---|---|
firefoxRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:3.6.9-1.el4 | 0:3.6.9-1.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:3.6.9-1.el4 | 0:3.6.9-1.el4 |
nsprRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nspr-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nspr-develRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nssRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-develRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-toolsRed Hat:enterprise_linux:4::desktop From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
firefoxRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:3.6.9-1.el4 | 0:3.6.9-1.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:3.6.9-1.el4 | 0:3.6.9-1.el4 |
nsprRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nspr-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nspr-develRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nssRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-develRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-toolsRed Hat:enterprise_linux:4::es From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
firefoxRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:3.6.9-1.el4 | 0:3.6.9-1.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:3.6.9-1.el4 | 0:3.6.9-1.el4 |
nsprRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nspr-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nspr-develRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:4.8.6-1.el4 | 0:4.8.6-1.el4 |
nssRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-develRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nss-toolsRed Hat:enterprise_linux:4::ws From an advisory covering 12 CVEs |
before 0:3.12.7-1.el4 | 0:3.12.7-1.el4 |
nsprRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:4.8.6-1.el5 | 0:4.8.6-1.el5 |
nspr-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:4.8.6-1.el5 | 0:4.8.6-1.el5 |
nspr-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:4.8.6-1.el5 | 0:4.8.6-1.el5 |
nssRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-pkcs11-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:1.9.2.9-1.el5 | 0:1.9.2.9-1.el5 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:1.9.2.9-1.el5 | 0:1.9.2.9-1.el5 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 12 CVEs |
before 0:1.9.2.9-1.el5 | 0:1.9.2.9-1.el5 |
firefoxRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:3.6.9-2.el5 | 0:3.6.9-2.el5 |
firefox-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:3.6.9-2.el5 | 0:3.6.9-2.el5 |
nsprRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:4.8.6-1.el5 | 0:4.8.6-1.el5 |
nspr-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:4.8.6-1.el5 | 0:4.8.6-1.el5 |
nssRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-toolsRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
xulrunnerRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:1.9.2.9-1.el5 | 0:1.9.2.9-1.el5 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 12 CVEs |
before 0:1.9.2.9-1.el5 | 0:1.9.2.9-1.el5 |
firefoxRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:3.6.9-2.el5 | 0:3.6.9-2.el5 |
firefox-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:3.6.9-2.el5 | 0:3.6.9-2.el5 |
nsprRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:4.8.6-1.el5 | 0:4.8.6-1.el5 |
nspr-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:4.8.6-1.el5 | 0:4.8.6-1.el5 |
nspr-develRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:4.8.6-1.el5 | 0:4.8.6-1.el5 |
nssRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-develRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-pkcs11-develRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
nss-toolsRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:3.12.7-2.el5 | 0:3.12.7-2.el5 |
xulrunnerRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:1.9.2.9-1.el5 | 0:1.9.2.9-1.el5 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:1.9.2.9-1.el5 | 0:1.9.2.9-1.el5 |
xulrunner-develRed Hat:enterprise_linux:5::server From an advisory covering 12 CVEs |
before 0:1.9.2.9-1.el5 | 0:1.9.2.9-1.el5 |
MozillaFirefoxopenSUSE:Tumbleweed From an advisory covering 899 CVEs |
before 50.1.0-1.1 | 50.1.0-1.1 |
MozillaThunderbirdopenSUSE:Tumbleweed From an advisory covering 560 CVEs |
before 45.5.1-1.1 | 45.5.1-1.1 |
firefox-esropenSUSE:Tumbleweed From an advisory covering 1860 CVEs |
before 128.5.1-1.1 | 128.5.1-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2010-2766 is a high vulnerability (CVSS 9.3) in Mozilla Firefox, published September 8, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.37%, the 92nd percentile. No source names a fixed version.
References
zerodayinitiative.com/advisories/ZDI-10-176
lists.opensuse.org/opensuse-security-announce/2010-10/msg00002.html
bugzilla.mozilla.org/show_bug.cgi?id=580445
securityfocus.com/bid/43100
blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox
lists.fedoraproject.org/pipermail/package-announce/2010-September/047282.html
Show 194 moreShow less
support.avaya.com/css/P8/documents/100112690
secunia.com/advisories/42867
vupen.com/english/advisories/2011/0061
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11778
mozilla.org/security/announce/2010/mfsa2010-57.html
mandriva.com/security/advisories?name=MDVSA-2010:173
debian.org/security/2010/dsa-2106
nvd.nist.gov/vuln/detail/CVE-2010-2766
github.com/advisories/GHSA-hhc2-ffw9-rjr6
access.redhat.com/errata/RHSA-2010:0681
bugzilla.redhat.com/show_bug.cgi?id=630055
security.access.redhat.com/data/csaf/v2/advisories/2010/rhsa-2010_0681.json
cve.org/CVERecord?id=CVE-2010-2760
suse.com/security/cve/CVE-2008-5913
This page doesn't list everything
Left out here: 1,966 references. The JSON record has them.