CVE-2015-2731

NameCVE-2015-2731
DescriptionUse-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3300-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
icedove (PTS)wheezy38.7.0-1~deb7u1fixed
wheezy (security)1:52.3.0-4~deb7u2fixed
jessie1:45.8.0-3~deb8u1fixed
jessie (security)1:52.3.0-4~deb8u2fixed
stretch (security), stretch1:52.3.0-4~deb9u1fixed
buster, sid1:52.3.0-4fixed
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
icedovesource(unstable)38.1.0-1high
icedovesourcejessie(not affected)
icedovesourcesqueeze(unfixed)end-of-life
icedovesourcewheezy(not affected)
iceweaselsource(unstable)38.1.0esr-1high
iceweaselsourcejessie31.8.0esr-1~deb8u1highDSA-3300-1
iceweaselsourcesqueeze(unfixed)end-of-life
iceweaselsourcewheezy31.8.0esr-1~deb7u1highDSA-3300-1

Notes

[jessie] - icedove <not-affected> (Does not affect 31.x ESR Thunderbird)
[wheezy] - icedove <not-affected> (Does not affect 31.x ESR Thunderbird)
https://www.mozilla.org/en-US/security/advisories/mfsa2015-63/

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