On 22.12.2015 20:12, Kieran Kunhya wrote:
> On 22 December 2015 at 19:04, Andreas Cadhalpun
> <andreas.cadhal...@googlemail.com> wrote:
>> This fixes an out-of-bounds read introduced in commit 0379603.
>>
>> Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com>
>> ---
>> libavcodec/dirac.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/libavcodec/dirac.c b/libavcodec/dirac.c
>> index 33cc960..faf5534 100644
>> --- a/libavcodec/dirac.c
>> +++ b/libavcodec/dirac.c
>> @@ -262,6 +262,9 @@ static int parse_source_parameters(AVDiracSeqHeader
>> *dsh, GetBitContext *gb,
>>
>> dsh->bit_depth = luma_depth;
>>
>> + if (dsh->pixel_range_index < 2U)
>> + return AVERROR_INVALIDDATA;
>> +
>> dsh->pix_fmt =
>> dirac_pix_fmt[dsh->chroma_format][dsh->pixel_range_index-2];
>> avcodec_get_chroma_sub_sample(dsh->pix_fmt, &chroma_x_shift,
>> &chroma_y_shift);
>> if ((dsh->width % (1<<chroma_x_shift)) || (dsh->height %
>> (1<<chroma_y_shift))) {
>
> Ok
Pushed.
Best regards,
Andreas
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