CVE-2018-5094

Priority
Description
A heap buffer overflow vulnerability may occur in WebAssembly when
"shrinkElements" is called followed by garbage collection on memory that is
now uninitialized. This results in a potentially exploitable crash. This
vulnerability affects Firefox < 58.
Assigned-to
chrisccoulson
Notes
tyhicksmozjs contains a copy of the SpiderMonkey JavaScript engine
chrisccoulsonThis is not fixed in mozjs52, but it's unclear whether it is
unaffected or just ignored as the bug is still private. See
https://hg.mozilla.org/releases/mozilla-release/rev/2467d71d0e0d
Package
Upstream:released (58.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was released [58.0+build6-0ubuntu0.14.04.1])
Ubuntu 16.04 LTS (Xenial Xerus):released (58.0+build6-0ubuntu0.16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (59.0.1+build1-0ubuntu1)
Ubuntu 19.10 (Eoan Ermine):released (59.0.1+build1-0ubuntu1)
Ubuntu 20.04 (Focal Fossa):released (59.0.1+build1-0ubuntu1)
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):deferred
Ubuntu 19.10 (Eoan Ermine):deferred
Ubuntu 20.04 (Focal Fossa):deferred
More Information

Updated: 2020-01-29 18:55:26 UTC (commit 40f18bf14da5fb50662e1f861ea594a462b207fe)