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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-07-07 21:50:33 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-07-10 20:52:00 +0200 |
| commit | 9ee65bf88d6a4ec9587ce119aeae148a190d9838 (patch) | |
| tree | 88ba6af9b3e3a1f991f36e757b425d84727bf1ad | |
| parent | be84216c53a4ed81573c82320e9c4a20e9b349d9 (diff) | |
| download | ffmpeg-9ee65bf88d6a4ec9587ce119aeae148a190d9838.tar.gz | |
avformat/sdp: Fix potential write beyond end of buffer
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 5d91b7718efc581da8882a4e9bf2f5953e41adbf)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
| -rw-r--r-- | libavformat/sdp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/sdp.c b/libavformat/sdp.c index 34e9839b67..2ce1a62262 100644 --- a/libavformat/sdp.c +++ b/libavformat/sdp.c @@ -212,7 +212,7 @@ static char *extradata2psets(AVFormatContext *s, AVCodecParameters *par) p += strlen(p); r = r1; } - if (sps && sps_end - sps >= 4) { + if (sps && sps_end - sps >= 4 && p - psets <= MAX_PSET_SIZE - strlen(profile_string) - 7) { memcpy(p, profile_string, strlen(profile_string)); p += strlen(p); ff_data_to_hex(p, sps + 1, 3, 0); |