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authorMax Kellermann <max@duempel.org>2009-07-18 22:45:56 +0200
committerMax Kellermann <max@duempel.org>2009-07-18 22:45:56 +0200
commita988b9b0259e7d0b1090913087369dd504cd0f45 (patch)
treeba1505e1cae1079527c38868dee3c4735aab0086 /src/decoder
parentc8c91d9aaab1ea428fa4bafeb72775642e98603a (diff)
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ape: check the tag size (fixes integer underflow)
The expression "tagLen - size > 0" may result in an integer underflow and a buffer overflow, when "size" is larger than "tagLen". "size" is read from the input file, and must not be trusted. This patch changes the expression to "tagLen > size", which is a lot safer.
Diffstat (limited to 'src/decoder')
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