CVE-2017-7802

thunderbird: A use-after-free vulnerability can occur when manipulating the DOM during the resize event of an image element

CVE-2017-7802 is fixed in 8 products on 1 platform, first by thunderbird 1:52.4.0+build1-0ubuntu2, released October 1, 2017. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0262
85th percentile

A 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.

Where it's fixed

ProductFixed inFixReleased
Linux
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:52.4.0+build1-0ubuntu2 thunderbird 1:52.4.0+build1-0ubuntu2 Oct 1, 2017
thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) 1:52.4.0+build1-0ubuntu2 thunderbird-globalmenu 1:52.4.0+build1-0ubuntu2 Oct 1, 2017
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:52.4.0+build1-0ubuntu2 thunderbird-gnome-support 1:52.4.0+build1-0ubuntu2 Oct 1, 2017
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:52.4.0+build1-0ubuntu2 thunderbird-mozsymbols 1:52.4.0+build1-0ubuntu2 Oct 1, 2017
thunderbird-testsuite · Ubuntu 18.04.6 LTS (bionic) 1:52.4.0+build1-0ubuntu2 thunderbird-testsuite 1:52.4.0+build1-0ubuntu2 Oct 1, 2017
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:52.4.0+build1-0ubuntu2 xul-ext-calendar-timezones 1:52.4.0+build1-0ubuntu2 Oct 1, 2017
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:52.4.0+build1-0ubuntu2 xul-ext-gdata-provider 1:52.4.0+build1-0ubuntu2 Oct 1, 2017
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:52.4.0+build1-0ubuntu2 xul-ext-lightning 1:52.4.0+build1-0ubuntu2 Oct 1, 2017