Bug#662233: iceweasel: Iceweasel crashes with Assertion failure on some Java or Javascript sites

[Per Dalgas Jakobsen]

Package: iceweasel
Version: 10.0.2-1
Severity: important

Dear Maintainer,

Iceweasel crashes on some sites with an Assertion failure in jsapi.cpp.

Site that crashes: 
https://netbank.danskebank.dk/html/index.html?site=DBNB&secsystem=DI

Sites that does not crash:
http://javatester.org/javascript.html
http://java.com/en/download/testjava.jsp


I've tried to disable extensions and to start with a "clean" user, same result.
Fresh Wheezy installation with icedtea and openjdk.

~Per

-- Package-specific info:


-- Addons package information
icedtea-plugin	1.1.4-1
openjdk-6-jre	6b24~pre2-1


-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages iceweasel depends on:
ii  debianutils         4.2.1
ii  fontconfig          2.8.0-3.1
ii  libc6               2.13-26
ii  libgdk-pixbuf2.0-0  2.24.1-1
ii  libglib2.0-0        2.30.2-6
ii  libgtk2.0-0         2.24.10-1
ii  libnspr4-0d         4.9~beta5-2
ii  libstdc++6          4.6.2-12
ii  procps              1:3.2.8-11
ii  xulrunner-10.0      10.0.2-1

iceweasel recommends no packages.

Versions of packages iceweasel suggests:
ii  libgssapi-krb5-2    1.10+dfsg~beta1-2
ii  mozplugger          <none>
ii  ttf-lyx             2.0.2-1
ii  ttf-mathematica4.1  <none>
ii  xfonts-mathml       4

Versions of packages xulrunner-10.0 depends on:
ii  libasound2                1.0.25-2
ii  libatk1.0-0               2.2.0-2
ii  libbz2-1.0                1.0.6-1
ii  libc6                     2.13-26
ii  libcairo2                 1.10.2-6.2
ii  libdbus-1-3               1.4.18-1
ii  libdbus-glib-1-2          0.98-1
ii  libevent-2.0-5            2.0.17-stable-1
ii  libfontconfig1            2.8.0-3.1
ii  libfreetype6              2.4.8-1
ii  libgcc1                   1:4.6.2-12
ii  libgdk-pixbuf2.0-0        2.24.1-1
ii  libglib2.0-0              2.30.2-6
ii  libgtk2.0-0               2.24.10-1
ii  libhunspell-1.3-0         1.3.2-4
ii  libjpeg8                  8d-1
ii  libmozjs10d               10.0.2-1
ii  libnotify4                0.7.4-1
ii  libnspr4-0d               4.9~beta5-2
ii  libnss3-1d                3.13.1.with.ckbi.1.88-1
ii  libpango1.0-0             1.29.4-2
ii  libpixman-1-0             0.24.4-1
ii  libreadline6              6.2-8
ii  libsqlite3-0              3.7.10-1
ii  libstartup-notification0  0.12-1
ii  libstdc++6                4.6.2-12
ii  libvpx1                   1.0.0-2
ii  libx11-6                  2:1.4.4-4
ii  libxext6                  2:1.3.0-3
ii  libxrender1               1:0.9.6-2
ii  libxt6                    1:1.1.1-2
ii  zlib1g                    1:1.2.6.dfsg-1

Versions of packages xulrunner-10.0 suggests:
pn  libcanberra0  0.28-3
pn  libgnomeui-0  <none>

-- no debconf information