webapp-container crashed with SIGSEGV

I was watching Big Buck Bunny in a "Youtube" webapp. closed while the video was still playing; seemed to close normally. Evidently it actually crashed at some point, though, such as during the process of closing. I'm not actually sure.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: webapp-container 0.23+15.04.20150203.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
Uname: Linux 3.18.0-13-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.16.1-0ubuntu2
Architecture: i386
CurrentDesktop: LXDE
Date: Fri Feb 13 01:01:20 2015
ExecutablePath: /usr/bin/webapp-container
InstallationDate: Installed on 2015-02-11 (1 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha i386 (20150211)
ProcCmdline: webapp-container --app-id=YouTubeyoutubecom --webapp=WW91VHViZQ== --enable-back-forward
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xa8bfb612: mov 0x8(%edx),%edx
 PC (0xa8bfb612) ok
 source "0x8(%edx)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: webbrowser-app
StacktraceTop:
 ?? () from /usr/lib/i386-linux-gnu/libOxideQtCore.so.0
 ?? () from /usr/lib/i386-linux-gnu/libOxideQtCore.so.0
 ?? () from /usr/lib/i386-linux-gnu/libOxideQtCore.so.0
 ?? () from /usr/lib/i386-linux-gnu/libOxideQtCore.so.0
 ?? () from /usr/lib/i386-linux-gnu/libOxideQtCore.so.0
Title: webapp-container crashed with SIGSEGV
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo