Debian Security Advisory

DSA-1227-1 mozilla-thunderbird -- several vulnerabilities

Date Reported:
04 Dec 2006
Affected Packages:
Security database references:
In the Bugtraq database (at SecurityFocus): BugTraq ID 19678, BugTraq ID 20957.
In Mitre's CVE dictionary: CVE-2006-4310, CVE-2006-5462, CVE-2006-5463, CVE-2006-5464, CVE-2006-5748.
CERT's vulnerabilities, advisories and incident notes: VU#335392, VU#390480, VU#495288, VU#714496.
More information:

Several security related problems have been discovered in Mozilla and derived products such as Mozilla Thunderbird. The Common Vulnerabilities and Exposures project identifies the following vulnerabilities:

  • CVE-2006-4310

    Tomas Kempinsky discovered that malformed FTP server responses could lead to denial of service.

  • CVE-2006-5462

    Ulrich Kühn discovered that the correction for a cryptographic flaw in the handling of PKCS-1 certificates was incomplete, which allows the forgery of certificates.

  • CVE-2006-5463

    shutdown discovered that modification of JavaScript objects during execution could lead to the execution of arbitrary JavaScript bytecode.

  • CVE-2006-5464

    Jesse Ruderman and Martijn Wargers discovered several crashes in the layout engine, which might also allow execution of arbitrary code.

  • CVE-2006-5748

    Igor Bukanov and Jesse Ruderman discovered several crashes in the JavaScript engine, which might allow execution of arbitrary code.

This update also addresses several crashes, which could be triggered by malicious websites and fixes a regression introduced in the previous Mozilla update.

For the stable distribution (sarge) these problems have been fixed in version 1.0.4-2sarge13.

For the unstable distribution (sid) these problems have been fixed in the current icedove package

We recommend that you upgrade your mozilla-thunderbird package.

Fixed in:

Debian GNU/Linux 3.1 (sarge)

Intel IA-32:
Intel IA-64:
Motorola 680x0:
Big endian MIPS:
Little endian MIPS:
IBM S/390:
Sun Sparc:

MD5 checksums of the listed files are available in the original advisory.