CVE-2017-7784

Priority
Description
A use-after-free vulnerability can occur when reading an image observer
during frame reconstruction after the observer has been freed. This results
in a potentially exploitable crash. This vulnerability affects Thunderbird
< 52.3, Firefox ESR < 52.3, and Firefox < 55.
Assigned-to
chrisccoulson
Notes
tyhicksmozjs38 contains a copy of the SpiderMonkey JavaScript engine
Package
Upstream:released (55.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was released [55.0.1+build2-0ubuntu0.14.04.2])
Ubuntu 16.04 LTS (Xenial Xerus):released (55.0.1+build2-0ubuntu0.16.04.2)
Ubuntu 18.04 LTS (Bionic Beaver):released (55.0.2+build1-0ubuntu4)
Ubuntu 19.10 (Eoan Ermine):released (55.0.2+build1-0ubuntu4)
Ubuntu 20.04 (Focal Fossa):released (55.0.2+build1-0ubuntu4)
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):needs-triage
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Priority: Low
Upstream:released (52.3.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was released [1:52.3.0+build1-0ubuntu0.14.04.1])
Ubuntu 16.04 LTS (Xenial Xerus):released (1:52.3.0+build1-0ubuntu0.16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (1:52.4.0+build1-0ubuntu2)
Ubuntu 19.10 (Eoan Ermine):released (1:52.4.0+build1-0ubuntu2)
Ubuntu 20.04 (Focal Fossa):released (1:52.4.0+build1-0ubuntu2)
More Information

Updated: 2020-01-29 18:49:32 UTC (commit 40f18bf14da5fb50662e1f861ea594a462b207fe)