CVE-2017-7802

NameCVE-2017-7802
DescriptionA use-after-free vulnerability can occur when manipulating the DOM during the resize event of an image element. If these elements have been freed due to a lack of strong references, a potentially exploitable crash may occur when the freed elements are accessed. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
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)
ReferencesDLA-1053-1, DLA-1087-1, DSA-3928-1, DSA-3968-1
NVD severityhigh
Debian Bugs872834

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid70.0.1-1fixed
firefox-esr (PTS)jessie52.8.1esr-1~deb8u1fixed
jessie (security)68.2.0esr-1~deb8u1fixed
stretch60.7.1esr-1~deb9u1fixed
stretch (security)68.2.0esr-1~deb9u2fixed
buster60.8.0esr-1~deb10u1fixed
buster (security)68.2.0esr-1~deb10u1fixed
bullseye, sid68.2.0esr-1fixed
icedove (PTS)jessie1:52.3.0-4~deb8u2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)55.0-1
firefox-esrsource(unstable)52.3.0esr-1
firefox-esrsourcejessie52.3.0esr-1~deb8u2DSA-3928-1
firefox-esrsourcestretch52.3.0esr-1~deb9u1DSA-3928-1
firefox-esrsourcewheezy52.3.0esr-1~deb7u1DLA-1053-1
icedovesource(unstable)1:52.3.0-1872834
icedovesourcejessie1:52.3.0-4~deb8u2DSA-3968-1
icedovesourcestretch1:52.3.0-4~deb9u1DSA-3968-1
icedovesourcewheezy1:52.3.0-4~deb7u1DLA-1087-1

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