| Description: | Mozilla Thunderbird is a standalone mail and newsgroup client.
A heap-based buffer overflow flaw was found in the way Thunderbird processed messages with external-body Multipurpose Internet Message Extensions (MIME) types. A HTML mail message containing malicious content could cause Thunderbird to execute arbitrary code as the user running Thunderbird. (CVE-2008-0304)
Several flaws were found in the way Thunderbird processed certain malformed HTML mail content. A HTML mail message containing malicious content could cause Thunderbird to crash, or potentially execute arbitrary code as the user running Thunderbird. (CVE-2008-0412, CVE-2008-0413, CVE-2008-0415, CVE-2008-0419)
Several flaws were found in the way Thunderbird displayed malformed HTML mail content. A HTML mail message containing specially-crafted content could trick a user into surrendering sensitive information. (CVE-2008-0420, CVE-2008-0591, CVE-2008-0593)
A flaw was found in the way Thunderbird handles certain chrome URLs. If a user has certain extensions installed, it could allow a malicious HTML mail message to steal sensitive session data. Note: this flaw does not affect a default installation of Thunderbird. (CVE-2008-0418)
Note: JavaScript support is disabled by default in Thunderbird; the above issues are not exploitable unless JavaScript is enabled.
A flaw was found in the way Thunderbird saves certain text files. If a remote site offers a file of type "plain/text", rather than "text/plain", Thunderbird will not show future "text/plain" content to the user, forcing them to save those files locally to view the content. (CVE-2008-0592)
Users of thunderbird are advised to upgrade to these updated packages, which contain backported patches to resolve these issues.
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