Various flaws were discovered in the JavaScript engine. If a user had JavaScript enabled and were tricked into opening a malicious email, an attacker could escalate privileges within Thunderbird, perform cross-site scripting attacks and/or execute arbitrary code with the user’s privileges. (CVE-2008-1233, CVE-2008-1234, CVE-2008-1235)
Several problems were discovered in Thunderbird which could lead to crashes and memory corruption. If a user had JavaScript enabled and were tricked into opening a malicious email, an attacker may be able to execute arbitrary code with the user’s privileges. (CVE-2008-1236, CVE-2008-1237)
6 May 2008
A security issue affects these releases of Ubuntu and its derivatives:
Various flaws were discovered in the JavaScript engine. If a user had JavaScript enabled and were tricked into opening a malicious email, an attacker could escalate privileges within Thunderbird, perform cross-site scripting attacks and/or execute arbitrary code with the user’s privileges. (CVE-2008-1233, CVE-2008-1234, CVE-2008-1235)
Several problems were discovered in Thunderbird which could lead to crashes and memory corruption. If a user had JavaScript enabled and were tricked into opening a malicious email, an attacker may be able to execute arbitrary code with the user’s privileges. (CVE-2008-1236, CVE-2008-1237)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart Thunderbird to effect the necessary changes.