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CVE-2011-2366

Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not...

4.3 MediumFix available

Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not block use of a cross-domain image as a WebGL texture, which allows remote attackers to obtain approximate copies of arbitrary images via a timing attack involving a crafted WebGL fragment shader.

Exploit likelihood

1.42%Down 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not block use of a cross-domain image as a WebGL texture, which allows remote attackers to obtain approximate copies of arbitrary images via a timing attack involving a crafted WebGL fragment shader.

Record
CVE-2011-2366
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not block use of a cross-domain image as a WebGL texture, which allows remote attackers to obtain approximate copies of arbitrary images via a timing attack involving a crafted WebGL fragment shader.

Record
CVE-2011-2366
Updated
2026-11-02
EUVDEUVD-2011-2355 No score

Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not block use of a cross-domain image as a WebGL texture, which allows remote attackers to obtain approximate copies of arbitrary images via a timing attack involving a crafted WebGL fragment shader.

Record
EUVD-2011-2355
Updated
2026-11-03
GitHub AdvisoriesGHSA-frmv-64q7-356r No score

Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not...

Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not block use of a cross-domain image as a WebGL texture, which allows remote attackers to obtain approximate copies of arbitrary images via a timing attack involving a crafted WebGL fragment shader.

Record
GHSA-frmv-64q7-356r
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-2024:10218-1 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-2024:14572-1 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
MozillaFirefox
openSUSE:Tumbleweed
before 50.1.0-1.1
50.1.0-1.1
firefox-esr
openSUSE:Tumbleweed
before 128.5.1-1.1
128.5.1-1.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2366 is a medium vulnerability (CVSS 4.3) 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 1.42%, the 72nd percentile. Fixed in MozillaFirefox 50.1.0-1.1.

References

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