ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | Mon Jul 4 15:52:21 2022 +0200| [3204572a1a5dc19e11356cdf39378a171189149b] | committer: Andreas Rheinhardt
avformat/apngenc: Check for incomplete chunks Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3204572a1a5dc19e11356cdf39378a171189149b --- libavformat/apngenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/apngenc.c b/libavformat/apngenc.c index 88d4a41462..7443c77504 100644 --- a/libavformat/apngenc.c +++ b/libavformat/apngenc.c @@ -50,7 +50,7 @@ typedef struct APNGMuxContext { static uint8_t *apng_find_chunk(uint32_t tag, uint8_t *buf, size_t length) { size_t b; - for (b = 0; b < length; b += AV_RB32(buf + b) + 12) + for (b = 0; AV_RB32(buf + b) + 12ULL <= length - b; b += AV_RB32(buf + b) + 12ULL) if (AV_RB32(&buf[b + 4]) == tag) return &buf[b]; return NULL; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
