CVE-2018-5094

Priority
Medium
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.
References
Bugs
Notes
 tyhicks> mozjs contains a copy of the SpiderMonkey JavaScript engine
 chrisccoulson> This 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
Assigned-to
chrisccoulson
Package
Upstream:released (58.0)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):released (58.0+build6-0ubuntu0.14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):released (58.0+build6-0ubuntu0.16.04.1)
Ubuntu 17.10 (Artful Aardvark):released (58.0+build6-0ubuntu0.17.10.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (59.0.1+build1-0ubuntu1)
Ubuntu 18.10 (Cosmic Cuttlefish):released (59.0.1+build1-0ubuntu1)
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.10 (Artful Aardvark):ignored (reached end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):needs-triage
Ubuntu 18.10 (Cosmic Cuttlefish):needs-triage
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.10 (Artful Aardvark):ignored (reached end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):deferred
Ubuntu 18.10 (Cosmic Cuttlefish):deferred
More Information

Updated: 2018-07-20 15:24:50 UTC (commit a528766076160b2c60cf56892e2070e2c83615a3)