CVE-2019-9821

Priority
Description
A use-after-free vulnerability can occur in AssertWorkerThread due to a
race condition with shared workers. This results in a potentially
exploitable crash. This vulnerability affects Firefox < 67.
Assigned-to
chrisccoulson
Notes
tyhicksmozjs contains a copy of the SpiderMonkey JavaScript engine
Package
Upstream:released (67.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (67.0+build2-0ubuntu0.16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (67.0+build2-0ubuntu0.18.04.1)
Ubuntu 19.10 (Eoan Ermine):released (67.0+build2-0ubuntu1)
Ubuntu 20.04 (Focal Fossa):released (67.0+build2-0ubuntu1)
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
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):needs-triage
Ubuntu 20.04 (Focal Fossa):needs-triage
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):DNE
Ubuntu 19.10 (Eoan Ermine):needs-triage
Ubuntu 20.04 (Focal Fossa):needs-triage
More Information

Updated: 2020-01-29 19:05:14 UTC (commit 40f18bf14da5fb50662e1f861ea594a462b207fe)