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Debian Security Advisory DSA 2388-1 (t1lib)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to t1lib announced via advisory DSA 2388-1.
Insight
Insight
Several vulnerabilities were discovered in t1lib, a Postscript Type 1 font rasterizer library, some of which might lead to code execution through the opening of files embedding bad fonts. CVE-2010-2642 A heap-based buffer overflow in the AFM font metrics parser potentially leads to the execution of arbitrary code. CVE-2011-0433 Another heap-based buffer overflow in the AFM font metrics parser potentially leads to the execution of arbitrary code. CVE-2011-0764 An invalid pointer dereference allows execution of arbitrary code using crafted Type 1 fonts. CVE-2011-1552 Another invalid pointer dereference results in an application crash, triggered by crafted Type 1 fonts. CVE-2011-1553 A use-after-free vulnerability results in an application crash, triggered by crafted Type 1 fonts. CVE-2011-1554 An off-by-one error results in an invalid memory read and application crash, triggered by crafted Type 1 fonts. For the oldstable distribution (lenny), this problem has been fixed in version 5.1.2-3+lenny1. For the stable distribution (squeeze), this problem has been fixed in version 5.1.2-3+squeeze1. For the testing distribution (wheezy), this problem has been fixed in version 5.1.2-3.3. For the unstable distribution (sid), this problem has been fixed in version 5.1.2-3.3.
Solution
Solution
We recommend that you upgrade your t1lib packages.