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| author | Chris Evans <cevans@chromium.org> | 2012-01-05 21:19:30 +0100 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2012-01-05 21:21:57 +0100 |
| commit | faaec4676cb4c7a2303d50df66c6290bc96a7657 (patch) | |
| tree | b9d404dfcdddf86fe0f72e05ea99d38faf9ff7b5 /libavformat | |
| parent | ce23b2af18485499303ac1ac3aa9226ed69b240f (diff) | |
| download | ffmpeg-faaec4676cb4c7a2303d50df66c6290bc96a7657.tar.gz | |
matroskadec: Fix a bug where a pointer was cached to an array that might later move due to a realloc()
Fixes bug #190
Chromium bug #100492
related to CVE-2011-3893
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/matroskadec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 2684d6e6d9..e5fbd43266 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -1188,7 +1188,6 @@ static int matroska_parse_seekhead_entry(MatroskaDemuxContext *matroska, int idx static void matroska_execute_seekhead(MatroskaDemuxContext *matroska) { EbmlList *seekhead_list = &matroska->seekhead; - MatroskaSeekhead *seekhead = seekhead_list->elem; int64_t before_pos = avio_tell(matroska->ctx->pb); int i; @@ -1198,6 +1197,7 @@ static void matroska_execute_seekhead(MatroskaDemuxContext *matroska) return; for (i = 0; i < seekhead_list->nb_elem; i++) { + MatroskaSeekhead *seekhead = seekhead_list->elem; if (seekhead[i].pos <= before_pos) continue; |