diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2014-02-17 20:49:42 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-03-05 03:06:10 +0100 |
| commit | 9085cdd677996fe792eef13bcbc670bf250e302b (patch) | |
| tree | 9131ca0042dcfeaabbeb36a1b3d849212db0d7e1 | |
| parent | ab31a9ee4af5cfc0bab6b318512819fb706d0ff2 (diff) | |
| download | ffmpeg-9085cdd677996fe792eef13bcbc670bf250e302b.tar.gz | |
avcodec/ansi: fix integer overflow
Fixes out of array read
Fixes: 5f9698e86d92f19bb08d54ff0d57027f-signal_sigsegv_b30756_3795_cov_2693691257_ansi256.ans
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit d42ec8433c687fcbccefa51a7716d81920218e4f)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/ansi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ansi.c b/libavcodec/ansi.c index bd28a77be9..df04f091b9 100644 --- a/libavcodec/ansi.c +++ b/libavcodec/ansi.c @@ -419,7 +419,7 @@ static int decode_frame(AVCodecContext *avctx, switch(buf[0]) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': - if (s->nb_args < MAX_NB_ARGS) + if (s->nb_args < MAX_NB_ARGS && s->args[s->nb_args] < 6553) s->args[s->nb_args] = FFMAX(s->args[s->nb_args], 0) * 10 + buf[0] - '0'; break; case ';': |