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Code Issues Releases Activity

pictor: Correctly check frame dimensions

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Fixes: 559/clusterfuzz-testcase-6424225917173760
Bug-Id: CVE-2017-7862
CC: libav-stable@libav.org

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8c2ea3030af7b40a3c4275696fb5c76cdb80950a)
Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Michael Niedermayer 2017-02-07 15:49:09 +01:00 committed by Diego Biurrun
parent a37e84be69
commit eb3c1a94ad
1 changed files with 1 additions and 1 deletions
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2
libavcodec/pictordec.c
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@ -140,7 +140,7 @@ static int decode_frame(AVCodecContext *avctx,
avctx->pix_fmt = AV_PIX_FMT_PAL8;
if (s->width != avctx->width && s->height != avctx->height) {
if (s->width != avctx->width || s->height != avctx->height) {
ret = ff_set_dimensions(avctx, s->width, s->height);
if (ret < 0)
return ret;