Commit 7fd79501 authored by Luca Barbato's avatar Luca Barbato Committed by Reinhard Tartler

vp56: release frames on error

Fixes CVE-2012-2783

CC: libav-stable@libav.org

(cherry picked from commit f33b5ba6)
Signed-off-by: 's avatarReinhard Tartler <siretart@tauware.de>
parent 700fb8c8
......@@ -511,8 +511,14 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
s->modelp = &s->models[is_alpha];
res = s->parse_header(s, buf, remaining_buf_size, &golden_frame);
if (res < 0)
if (res < 0) {
int i;
for (i = 0; i < 4; i++) {
if (s->frames[i].data[0])
avctx->release_buffer(avctx, &s->frames[i]);
}
return res;
}
if (res == VP56_SIZE_CHANGE) {
int i;
......
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