firefox crashed with SIGSEGV in strlen()

Binary package hint: firefox-3.5

Bug occurs when Firefox loads certain websites, including GMail (http://www.gmail.com/). Creating a new profile does not solve the issue. This problem started to occur after an update to Firefox a few days ago.

ProblemType: Crash
Architecture: amd64
Date: Mon Jan 11 11:36:08 2010
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/firefox-3.5.7/firefox
NonfreeKernelModules: fglrx
Package: firefox-3.5 3.5.7+nobinonly-0ubuntu0.9.10.1
ProcCmdline: /usr/lib/firefox-3.5.7/firefox
ProcEnviron:
 LANGUAGE=
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
Signal: 11
SourcePackage: firefox-3.5
StacktraceTop:
 strlen () at ../sysdeps/x86_64/strlen.S:31
 *__GI___strdup (s=0x0) at strdup.c:42
 ?? () from /usr/lib/libxine.so.1
 ?? () from /usr/lib/libxine.so.1
 ?? () from /usr/lib/libxine.so.1
Title: firefox crashed with SIGSEGV in strlen()
Uname: Linux 2.6.31-17-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (polkit-gnome-authentication-agent-1:2708): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
SegvAnalysis:
 Segfault happened at: 0x7fa21dd2005b <raise+43>: cmp $0xfffffffffffff000,%rax
 PC (0x7fa21dd2005b) ok
 source "$0xfffffffffffff000" ok
 destination "%rax" ok
 SP (0x7fff6f60bfd8) ok
 Reason could not be automatically determined.
SegvReason: Reason could not be automatically determined.