CVE-2020-12387

Priority
Description
A race condition when running shutdown code for Web Worker led to a
use-after-free vulnerability. This resulted in a potentially exploitable
crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and
Thunderbird < 68.8.0.
Assigned-to
chrisccoulson
Notes
tyhicksmozjs contains a copy of the SpiderMonkey JavaScript engine
Package
Upstream:released (76.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (76.0+build2-0ubuntu0.16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (76.0+build2-0ubuntu0.18.04.1)
Ubuntu 19.10 (Eoan Ermine):released (76.0+build2-0ubuntu0.19.10.1)
Ubuntu 20.04 LTS (Focal Fossa):released (76.0+build2-0ubuntu0.20.04.1)
Ubuntu 20.10 (Groovy Gorilla):pending (76.0+build2-0ubuntu2)
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 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):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 LTS (Focal Fossa):needs-triage
Ubuntu 20.10 (Groovy Gorilla):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 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):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):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):needs-triage
Ubuntu 20.10 (Groovy Gorilla):needs-triage
Package
Priority: Low
Upstream:released (68.8.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (1:68.8.0+build2-0ubuntu0.16.04.2)
Ubuntu 18.04 LTS (Bionic Beaver):released (1:68.8.0+build2-0ubuntu0.18.04.2)
Ubuntu 19.10 (Eoan Ermine):released (1:68.8.0+build2-0ubuntu0.19.10.2)
Ubuntu 20.04 LTS (Focal Fossa):released (1:68.8.0+build2-0ubuntu0.20.04.2)
Ubuntu 20.10 (Groovy Gorilla):needed
More Information

Updated: 2020-05-29 19:14:48 UTC (commit 2d0d387aa141e969cc1ddbb230ab2faa3ee568d5)