A local overflow exists in libpng. The library function png_handle_sPLT fails to validate input resulting in a possible integer overflow. With a specially crafted request, an attacker might theoretically cause execution of code resulting in a loss of integrity.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Unknown
Solution
Upgrade to version 1.2.6 release candidate 1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. Users of the older 1.0 series should upgrade to libpng-1.0.16 release candidate 1 or higher.
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