Home / mailings [USN-1367-3] Thunderbird vulnerability
Posted on 17 February 2012
Ubuntu Security==========================
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Ubuntu Security Notice USN-1367-3
February 17, 2012
thunderbird vulnerability
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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 correspondi=
ng
update for Thunderbird.
Original advisory details:
=20
Jueri Aedla discovered that libpng did not properly verify the size used=
when allocating memory during chunk decompression. If a user or automate=
d
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-2011-302=
6)
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 al=
l
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+nobinonl=
y-0ubuntu0.11.04.1
https://launchpad.net/ubuntu/+source/thunderbird/3.1.19+build1+nobinonl=
y-0ubuntu0.10.10.1
https://launchpad.net/ubuntu/+source/thunderbird/3.1.19+build1+nobinonl=
y-0ubuntu0.10.04.1
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