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ffmpeg-4/ffmpeg-CVE-2020-22046.patch
Jan Engelhardt 1e8f598ca6 Accepting request 904700 from home:AZhou:branches:multimedia:libs
- Add ffmpeg-CVE-2020-22046.patch: Backport from upstream to fix
  a denial of service vulnerability exists in FFmpeg 4.2 due to a
  memory leak in the avpriv_float_dsp_allocl function in
  libavutil/float_dsp.c (bsc#1186849).
- Add ffmpeg-CVE-2021-33815.patch: Backport from upstream to fix
  dwa_uncompress in libavcodec/exr.c in FFmpeg 4.4 allows an
  out-of-bounds array access because dc_count is not strictly
  checked (bsc#1186865).

OBS-URL: https://build.opensuse.org/request/show/904700
OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/ffmpeg-4?expand=0&rev=166
2021-07-08 13:26:34 +00:00

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From 097c917c147661f5378dae8fe3f7e46f43236426 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Date: Thu, 17 Oct 2019 11:11:55 +0200
Subject: [PATCH] avcodec/ac3enc: Fix memleak
Fixes ticket #8294.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
---
libavcodec/ac3enc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 76872a8fe0..25318f8631 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -2051,7 +2051,8 @@ av_cold int ff_ac3_encode_close(AVCodecContext *avctx)
av_freep(&block->cpl_coord_mant);
}
- s->mdct_end(s);
+ if (s->mdct_end)
+ s->mdct_end(s);
return 0;
}
@@ -2433,7 +2434,7 @@ av_cold int ff_ac3_encode_init(AVCodecContext *avctx)
ret = validate_options(s);
if (ret)
- return ret;
+ goto init_fail;
avctx->frame_size = AC3_BLOCK_SIZE * s->num_blocks;
avctx->initial_padding = AC3_BLOCK_SIZE;
--
2.32.0