diff options
Diffstat (limited to 'multimedia/mythtv/files/patch-CVE-2017-07866')
| -rw-r--r-- | multimedia/mythtv/files/patch-CVE-2017-07866 | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/multimedia/mythtv/files/patch-CVE-2017-07866 b/multimedia/mythtv/files/patch-CVE-2017-07866 deleted file mode 100644 index c37bbe4c19b1..000000000000 --- a/multimedia/mythtv/files/patch-CVE-2017-07866 +++ /dev/null @@ -1,37 +0,0 @@ -From bd6c1d5149fbc4f2a0200ad99e7f56f4fb7d518a Mon Sep 17 00:00:00 2001 -From: Michael Niedermayer <michael@niedermayer.cc> -Date: Mon, 23 Jan 2017 01:25:27 +0100 -Subject: [PATCH] avcodec/pngdec: Fix off by 1 size in decode_zbuf() - -Fixes out of array access -Fixes: 444/fuzz-2-ffmpeg_VIDEO_AV_CODEC_ID_PNG_fuzzer - -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 e371f031b942d73e02c090170975561fabd5c264) -Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> ---- - libavcodec/pngdec.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - -diff --git libavcodec/pngdec.c libavcodec/pngdec.c -index 36275ae43f5..7ade0cee661 100644 ---- external/FFmpeg/libavcodec/pngdec.c -+++ external/FFmpeg/libavcodec/pngdec.c -@@ -437,13 +437,13 @@ static int decode_zbuf(AVBPrint *bp, const uint8_t *data, - av_bprint_init(bp, 0, -1); - - while (zstream.avail_in > 0) { -- av_bprint_get_buffer(bp, 1, &buf, &buf_size); -- if (!buf_size) { -+ av_bprint_get_buffer(bp, 2, &buf, &buf_size); -+ if (buf_size < 2) { - ret = AVERROR(ENOMEM); - goto fail; - } - zstream.next_out = buf; -- zstream.avail_out = buf_size; -+ zstream.avail_out = buf_size - 1; - ret = inflate(&zstream, Z_PARTIAL_FLUSH); - if (ret != Z_OK && ret != Z_STREAM_END) { - ret = AVERROR_EXTERNAL; |