DescriptionMozilla 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
iceweaselsource(unstable)(not affected)
xulrunnersource(unstable)(not affected)


- xulrunner <not-affected> (Only affects Firefox >= 4.0, not yet in unstable)
- iceweasel <not-affected> (Only affects Firefox >= 4.0, not yet in unstable)

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