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-rw-r--r--libavformat/pjsdec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/pjsdec.c b/libavformat/pjsdec.c
index 50b1a48e4e..8a5cc04f84 100644
--- a/libavformat/pjsdec.c
+++ b/libavformat/pjsdec.c
@@ -55,6 +55,8 @@ static int64_t read_ts(char **line, int *duration)
if (sscanf(*line, "%"SCNd64",%"SCNd64, &start, &end) == 2) {
*line += strcspn(*line, "\"");
*line += !!**line;
+ if (end < start || end - (uint64_t)start > INT_MAX)
+ return AV_NOPTS_VALUE;
*duration = end - start;
return start;
}