From f33b5ba63eee96c9d1c7f0e568169cb0c3694238 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Fri, 14 Dec 2012 09:55:04 +0100 Subject: vp56: release frames on error Fixes CVE-2012-2783 CC: libav-stable@libav.org --- libavcodec/vp56.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'libavcodec/vp56.c') diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c index 6779ffb6dc..5bd0a1abef 100644 --- a/libavcodec/vp56.c +++ b/libavcodec/vp56.c @@ -514,8 +514,14 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, 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; -- cgit v1.2.3