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CVE-2010-1210

intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before...

4.3 Medium

intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 inserts a U+FFFD sequence into text in certain circumstances involving undefined positions, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted 8-bit text.

Exploit likelihood

1.56%Up 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 inserts a U+FFFD sequence into text in certain circumstances involving undefined positions, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted 8-bit text.

Record
CVE-2010-1210
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 inserts a U+FFFD sequence into text in certain circumstances involving undefined positions, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted 8-bit text.

Record
CVE-2010-1210
Updated
2026-11-02
EUVDEUVD-2010-1240 No score

intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 inserts a U+FFFD sequence into text in certain circumstances involving undefined positions, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted 8-bit text.

Record
EUVD-2010-1240
Updated
2026-11-03
GitHub AdvisoriesGHSA-446p-4x7p-gxv7 No score

intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before...

intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 inserts a U+FFFD sequence into text in certain circumstances involving undefined positions, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted 8-bit text.

Record
GHSA-446p-4x7p-gxv7
Weakness
CWE-20
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-2024:14572-1 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

Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el4
0:3.6.7-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el4
0:3.6.7-2.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el4
0:3.6.7-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el4
0:3.6.7-2.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el4
0:3.6.7-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el4
0:3.6.7-2.el4
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el4
0:3.6.7-2.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el4
0:3.6.7-2.el4
xulrunner
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
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Affected packages
PackageAffectedFixed
xulrunner-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
firefox
Red Hat:enterprise_linux:5::client
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el5
0:3.6.7-2.el5
firefox-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el5
0:3.6.7-2.el5
xulrunner
Red Hat:enterprise_linux:5::client
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
xulrunner-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el5
0:3.6.7-2.el5
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 16 CVEs
 before 0:3.6.7-2.el5
0:3.6.7-2.el5
xulrunner
Red Hat:enterprise_linux:5::server
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
xulrunner-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
xulrunner-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 16 CVEs
 before 0:1.9.2.7-2.el5
0:1.9.2.7-2.el5
MozillaFirefox
openSUSE:Tumbleweed
From an advisory covering 899 CVEs
 before 50.1.0-1.1
50.1.0-1.1
firefox-esr
openSUSE:Tumbleweed
From an advisory covering 1860 CVEs
 before 128.5.1-1.1
128.5.1-1.1

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.

In short

CVE-2010-1210 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published July 30, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.56%, the 75th percentile. No source names a fixed version.

References

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