DescriptionAn integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the "createImageBitmap" API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer. This vulnerability affects Firefox ESR < 52.0.1 and Firefox < 52.0.1.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid60.0.2-1fixed
firefox-esr (PTS)jessie52.5.0esr-1~deb8u1fixed
jessie (security)52.8.1esr-1~deb8u1fixed
stretch (security)52.8.1esr-1~deb9u1fixed
buster, sid52.8.1esr-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefox-esrsource(unstable)(not affected)


- firefox-esr <not-affected> (Only affects 52 ESR, which isn't packaged yet except experimental where it's fixed)

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