Several security related problems have been discovered in Mozilla and derived products such as Mozilla Firefox. The Common Vulnerabilities and Exposures project identifies the following vulnerabilities:
Several vulnerabilities in the layout engine allow remote attackers to cause a denial of service and possibly permit them to execute arbitrary code. [MFSA 2006-68]
Several vulnerabilities in the JavaScript engine allow remote attackers to cause a denial of service and possibly permit them to execute arbitrary code. [MFSA 2006-68]
A bug in the js_dtoa function allows remote attackers to cause a denial of service. [MFSA 2006-68]
"shutdown" discovered a vulnerability that allows remote attackers to gain privileges and install malicious code via the watch JavaScript function. [MFSA 2006-70]
Steven Michaud discovered a programming bug that allows remote attackers to cause a denial of service. [MFSA 2006-71]
"moz_bug_r_a4" reported that the src attribute of an IMG element could be used to inject JavaScript code. [MFSA 2006-72]
For the stable distribution (sarge) these problems have been fixed in version 1.0.2-2.sarge1.0.8e.2.
For the testing (etch) and unstable (sid) distribution these problems have been fixed in version 1.5.0.9.dfsg1-1 of icedove.
We recommend that you upgrade your Mozilla Thunderbird and Icedove packages.
MD5 checksums of the listed files are available in the original advisory.