CVE-2010-3774
The NS_SecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before...
4.3 Medium
The NS_SecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly handle (1) about:neterror and (2) about:certerror pages, which allows remote attackers to spoof the location bar via a crafted web site.
Exploit likelihood
1.64%Down 1.8 points since Feb 4, 2022
What each source reports
NVD Score used
The NS_SecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly handle (1) about:neterror and (2) about:certerror pages, which allows remote attackers to spoof the location bar via a crafted web site.
- Record
CVE-2010-3774- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The NS_SecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly handle (1) about:neterror and (2) about:certerror pages, which allows remote attackers to spoof the location bar via a crafted web site.
- Record
CVE-2010-3774- Updated
- 2026-11-02
EUVDEUVD-2010-3753 No score
The NS_SecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly handle (1) about:neterror and (2) about:certerror pages, which allows remote attackers to spoof the location bar via a crafted web site.
- Record
EUVD-2010-3753- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g9p5-q9ww-v8w9 No score
The NS_SecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before...
The NS_SecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly handle (1) about:neterror and (2) about:certerror pages, which allows remote attackers to spoof the location bar via a crafted web site.
- Record
GHSA-g9p5-q9ww-v8w9- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
firefoxRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:3.6.13-3.el4 | 0:3.6.13-3.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 11 CVEs |
before 0:3.6.13-3.el4 | 0:3.6.13-3.el4 |
firefoxRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:3.6.13-3.el4 | 0:3.6.13-3.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs |
before 0:3.6.13-3.el4 | 0:3.6.13-3.el4 |
firefoxRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:3.6.13-3.el4 | 0:3.6.13-3.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 11 CVEs |
before 0:3.6.13-3.el4 | 0:3.6.13-3.el4 |
firefoxRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:3.6.13-3.el4 | 0:3.6.13-3.el4 |
firefox-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs |
before 0:3.6.13-3.el4 | 0:3.6.13-3.el4 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el5 | 0:1.9.2.13-3.el5 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el5 | 0:1.9.2.13-3.el5 |
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| Package | Affected | Fixed |
|---|---|---|
xulrunner-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el5 | 0:1.9.2.13-3.el5 |
firefoxRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:3.6.13-2.el5 | 0:3.6.13-2.el5 |
firefox-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:3.6.13-2.el5 | 0:3.6.13-2.el5 |
xulrunnerRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el5 | 0:1.9.2.13-3.el5 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el5 | 0:1.9.2.13-3.el5 |
firefoxRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.6.13-2.el5 | 0:3.6.13-2.el5 |
firefox-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:3.6.13-2.el5 | 0:3.6.13-2.el5 |
xulrunnerRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el5 | 0:1.9.2.13-3.el5 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el5 | 0:1.9.2.13-3.el5 |
xulrunner-develRed Hat:enterprise_linux:5::server From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el5 | 0:1.9.2.13-3.el5 |
xulrunnerRed Hat:enterprise_linux:6::client From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunner-develRed Hat:enterprise_linux:6::client From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
firefoxRed Hat:enterprise_linux:6::client From an advisory covering 11 CVEs |
before 0:3.6.13-2.el6_0 | 0:3.6.13-2.el6_0 |
firefox-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 11 CVEs |
before 0:3.6.13-2.el6_0 | 0:3.6.13-2.el6_0 |
firefoxRed Hat:enterprise_linux:6::computenode From an advisory covering 11 CVEs |
before 0:3.6.13-2.el6_0 | 0:3.6.13-2.el6_0 |
firefox-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 11 CVEs |
before 0:3.6.13-2.el6_0 | 0:3.6.13-2.el6_0 |
xulrunnerRed Hat:enterprise_linux:6::computenode From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunner-develRed Hat:enterprise_linux:6::computenode From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunnerRed Hat:enterprise_linux:6::server From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunner-develRed Hat:enterprise_linux:6::server From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
firefoxRed Hat:enterprise_linux:6::server From an advisory covering 11 CVEs |
before 0:3.6.13-2.el6_0 | 0:3.6.13-2.el6_0 |
firefox-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 11 CVEs |
before 0:3.6.13-2.el6_0 | 0:3.6.13-2.el6_0 |
xulrunnerRed Hat:enterprise_linux:6::workstation From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
xulrunner-develRed Hat:enterprise_linux:6::workstation From an advisory covering 11 CVEs |
before 0:1.9.2.13-3.el6_0 | 0:1.9.2.13-3.el6_0 |
firefoxRed Hat:enterprise_linux:6::workstation From an advisory covering 11 CVEs |
before 0:3.6.13-2.el6_0 | 0:3.6.13-2.el6_0 |
firefox-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 11 CVEs |
before 0:3.6.13-2.el6_0 | 0:3.6.13-2.el6_0 |
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-2010-3774 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published December 10, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.64%, the 76th percentile. No source names a fixed version.
References
lists.opensuse.org/opensuse-security-announce/2011-01/msg00002.html
lists.fedoraproject.org/pipermail/package-announce/2010-December/052022.html
mandriva.com/security/advisories?name=MDVSA-2010:251
support.avaya.com/css/P8/documents/100124650
redhat.com/support/errata/RHSA-2010-0966.html
ubuntu.com/usn/USN-1019-1
Show 60 moreShow less
secunia.com/advisories/42818
securitytracker.com/id?1024850
bugzilla.mozilla.org/show_bug.cgi?id=602780
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12512
vupen.com/english/advisories/2011/0030
mozilla.org/security/announce/2010/mfsa2010-83.html
nvd.nist.gov/vuln/detail/CVE-2010-3774
github.com/advisories/GHSA-g9p5-q9ww-v8w9
access.redhat.com/errata/RHSA-2010:0966
code.google.com/p/ots
bugzilla.redhat.com/show_bug.cgi?id=660408
security.access.redhat.com/data/csaf/v2/advisories/2010/rhsa-2010_0966.json
cve.org/CVERecord?id=CVE-2010-3766