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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1053-1, DLA-1087-1, DSA-3928-1, DSA-3968-1
Debian Bugs872834

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid133.0-1fixed
firefox-esr (PTS)bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)128.5.0esr-1~deb11u1fixed
bookworm128.3.1esr-1~deb12u1fixed
bookworm (security)128.5.0esr-1~deb12u1fixed
sid, trixie128.5.0esr-1fixed

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

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

Search for package or bug name: Reporting problems