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-rw-r--r--libavformat/mxfdec.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 4ceaaee844..33e1eb4b85 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1668,6 +1668,10 @@ static int mxf_timestamp_to_str(uint64_t timestamp, char **str)
time.tm_min = (timestamp >> 16 & 0xFF);
time.tm_sec = (timestamp >> 8 & 0xFF);
+ /* ensure month/day are valid */
+ time.tm_mon = FFMAX(time.tm_mon, 0);
+ time.tm_mday = FFMAX(time.tm_mday, 1);
+
*str = av_mallocz(32);
if (!*str)
return AVERROR(ENOMEM);