CVE-2020-6820

Priority
Description
Under certain conditions, when handling a ReadableStream, a race condition
can cause a use-after-free. We are aware of targeted attacks in the wild
abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox
< 74.0.1, and Firefox ESR < 68.6.1.
Assigned-to
chrisccoulson
Notes
tyhicksmozjs contains a copy of the SpiderMonkey JavaScript engine
Package
Upstream:released (74.0.1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (74.0.1+build1-0ubuntu0.16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (74.0.1+build1-0ubuntu0.18.04.1)
Ubuntu 19.10 (Eoan Ermine):released (74.0.1+build1-0ubuntu0.19.10.1)
Ubuntu 20.04 LTS (Focal Fossa):released (75.0+build3-0ubuntu1)
Ubuntu 20.10 (Groovy Gorilla):released (75.0+build3-0ubuntu1)
Package
Priority: Medium
Upstream:released (68.7.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (1:68.7.0+build1-0ubuntu0.16.04.2)
Ubuntu 18.04 LTS (Bionic Beaver):released (1:68.7.0+build1-0ubuntu0.18.04.1)
Ubuntu 19.10 (Eoan Ermine):released (1:68.7.0+build1-0ubuntu0.19.10.1)
Ubuntu 20.04 LTS (Focal Fossa):released (1:68.7.0+build1-0ubuntu1)
Ubuntu 20.10 (Groovy Gorilla):released (1:68.7.0+build1-0ubuntu1)
More Information

Updated: 2020-05-14 13:15:59 UTC (commit 91beeaf7df8e5243e11de486d49dd8a32bac0f97)