USN-1335-1: t1lib vulnerabilities
19 January 2012
t1lib could be made to crash or run programs as your login if it opened a specially crafted font file.
Releases
Packages
- t1lib - Type 1 font rasterizer library - runtime
Details
Jon Larimer discovered that t1lib did not properly parse AFM fonts. If a
user were tricked into using a specially crafted font file, a remote
attacker could cause t1lib to crash or possibly execute arbitrary code with
user privileges. (CVE-2010-2642, CVE-2011-0433)
Jonathan Brossard discovered that t1lib did not correctly handle certain
malformed font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause t1lib to crash. (CVE-2011-1552,
CVE-2011-1553, CVE-2011-1554)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.10
Ubuntu 10.04
In general, a standard system update will make all the necessary changes.
Related notices
- USN-1035-1: evince
- USN-1347-1: libevdocument2, evince, libevdocument3