PR #21562 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21562 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21562.patch
Fixes: out of array read Fixes: VULN-7/poc.ts Found-by: Zhenpeng (Leo) Lin from depthfirst Signed-off-by: Michael Niedermayer <[email protected]> >From d12cf5c7252a73c296f59eda09d853ebd5ee958b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <[email protected]> Date: Fri, 23 Jan 2026 15:48:15 +0100 Subject: [PATCH] avformat/mpegts: Check IOD_DESCRIPTOR len Fixes: out of array read Fixes: VULN-7/poc.ts Found-by: Zhenpeng (Leo) Lin from depthfirst Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/mpegts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 7c19abaf76..dc8a0bd0a8 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -2524,7 +2524,7 @@ static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len // something else is broken, exit the program_descriptors_loop break; program_info_length -= len; - if (tag == IOD_DESCRIPTOR) { + if (tag == IOD_DESCRIPTOR && len >= 2) { get8(&p, p_end); // scope get8(&p, p_end); // label len -= 2; -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
