CVE-2015-4497

NameCVE-2015-4497
DescriptionUse-after-free vulnerability in the CanvasRenderingContext2D implementation in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x before 38.2.1 allows remote attackers to execute arbitrary code by leveraging improper interaction between resize events and changes to Cascading Style Sheets (CSS) token sequences for a CANVAS element.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3345-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
iceweasel (PTS)wheezy, wheezy (security)38.8.0esr-1~deb7u1fixed
jessie (security)38.8.0esr-1~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
iceweaselsource(unstable)38.2.1esr-1high
iceweaselsourcejessie38.2.1esr-1~deb8u1highDSA-3345-1
iceweaselsourcesqueeze(unfixed)end-of-life
iceweaselsourcewheezy38.2.1esr-1~deb7u1highDSA-3345-1

Notes

[squeeze] - iceweasel <end-of-life> (Not supported in Squeeze LTS)
https://www.mozilla.org/en-US/security/advisories/mfsa2015-94/

Search for package or bug name: Reporting problems