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Add a few checks to make sure that we don't blow up when trying to read zero-byte

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values.

BUG:150250


git-svn-id: svn://anonsvn.kde.org/home/kde/trunk/kdesupport/taglib@717984 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
This commit is contained in:
Scott Wheeler
2007-09-27 20:52:50 +00:00
parent 2eda04f934
commit 14eda582ee
3 changed files with 9 additions and 4 deletions
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2
taglib/ape/apetag.cpp
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@ -216,7 +216,7 @@ void APE::Tag::read()
d->file->seek(d->tagOffset);
d->footer.setData(d->file->readBlock(Footer::size()));
if(d->footer.tagSize() == 0 ||
if(d->footer.tagSize() <= Footer::size() ||
d->footer.tagSize() > uint(d->file->length()))
return;