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Adobe Reader CoolType Use Of Uninitialized Memory In Transient Array

Adobe Reader CoolType Use Of Uninitialized Memory In Transient Array
Posted Aug 21, 2015
Authored by Google Security Research, mjurczyk

The "transient array" specified in the "Type 2 Charstring format" specs but also available in Type1 fonts (originally for the purpose of facilitating Multiple Master fonts) is allocated dynamically only if the CoolType interpreter encounters an instruction which requires the presence of the array, such as "get" or "store". While allocating the array, however, the routine does not automatically clear the contents of the newly created buffer.

tags | advisory
systems | linux
advisories | CVE-2015-3049
SHA-256 | 6ace69fba4e02dc5c9eedf369a1611909bcd055bd1c38c7a835323a1176ce061
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