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Fraunhofer IIS FDK b5dfe8f92d Fix heap buffer overflow in sbrDecoder_AssignQmfChannels2SbrChannels().
In the bug the SBR decoder has already set up 9 channels and tries to
allocate one more channel. The assignment of the QMF channels to SBR
channels fails since the QMF domain manages only 8+1 channels instead
of 10 channels as reqeusted by SBR.
Here we have added a check in sbrDecoder_InitElement() which will
return with a parse error in case additional SBR channels would exceed
the maximum number of SBR channels. This solves the potential heap
buffer overflow.

Bug: 158762825
Test: atest DecoderTestAacDrc DecoderTestAacFormat DecoderTestXheAac
Change-Id: I0150ac6d5a47ffce883010f531928656eebc619e
2020-08-10 19:57:03 +00:00
2018-04-19 11:21:15 -07:00
2018-04-19 11:21:15 -07:00
2017-06-05 10:10:15 -07:00
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