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| author | Szabolcs Berecz <szabolcs.berecz@gmail.com> | 2015-10-25 22:43:25 +0100 |
|---|---|---|
| committer | Szabolcs Berecz <szabolcs.berecz@gmail.com> | 2015-11-02 20:31:07 +0100 |
| commit | 9429e20de3885c0e0d9beac23f703fce58461021 (patch) | |
| tree | 1256b79f2b9e0f108eba1d187e0e9f1593b17b7b /src | |
| parent | 89cf773beef75d7f4d6d378debdf299378c3314e (diff) | |
| download | zopfli-9429e20de3885c0e0d9beac23f703fce58461021.tar.gz | |
Fix invalid read outsize allocated memory
The invalid read happens when compressing a 1 byte file.
Diffstat (limited to 'src')
| -rw-r--r-- | src/zopfli/hash.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/zopfli/hash.c b/src/zopfli/hash.c index a3b294f..66528aa 100644 --- a/src/zopfli/hash.c +++ b/src/zopfli/hash.c @@ -129,7 +129,6 @@ void ZopfliUpdateHash(const unsigned char* array, size_t pos, size_t end, void ZopfliWarmupHash(const unsigned char* array, size_t pos, size_t end, ZopfliHash* h) { - (void)end; UpdateHashValue(h, array[pos + 0]); - UpdateHashValue(h, array[pos + 1]); + if (pos + 1 < end) UpdateHashValue(h, array[pos + 1]); } |