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Sicherheit: Denial of Service in Mozilla Thunderbird (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Denial of Service in Mozilla Thunderbird (Aktualisierung)
ID: USN-1367-3
Distribution: Ubuntu
Plattformen: Ubuntu 10.04 LTS, Ubuntu 10.10, Ubuntu 11.04
Datum: Sa, 18. Februar 2012, 17:26
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3026
Applikationen: Mozilla Thunderbird
Update von: Zwei Probleme in libpng

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-1367-3
February 17, 2012

thunderbird vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

Thunderbird could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

USN-1367-1 fixed vulnerabilities in libpng. This provides the corresponding
update for Thunderbird.

Original advisory details:

Jueri Aedla discovered that libpng did not properly verify the size used
when allocating memory during chunk decompression. If a user or automated
system using libpng were tricked into opening a specially crafted image,
an attacker could exploit this to cause a denial of service or execute
code with the privileges of the user invoking the program. (CVE-2011-3026)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.04:
thunderbird 3.1.19+build1+nobinonly-0ubuntu0.11.04.1

Ubuntu 10.10:
thunderbird 3.1.19+build1+nobinonly-0ubuntu0.10.10.1

Ubuntu 10.04 LTS:
thunderbird 3.1.19+build1+nobinonly-0ubuntu0.10.04.1

After a standard system update you need to restart Thunderbird to make all
the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1367-3
http://www.ubuntu.com/usn/usn-1367-1
CVE-2011-3026, https://launchpad.net/bugs/933399

Package Information:
https://launchpad.net/ubuntu/+source/thunderbird/3.1.19+build1+nobinonly-0ubuntu0.11.04.1
https://launchpad.net/ubuntu/+source/thunderbird/3.1.19+build1+nobinonly-0ubuntu0.10.10.1
https://launchpad.net/ubuntu/+source/thunderbird/3.1.19+build1+nobinonly-0ubuntu0.10.04.1




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