From 816090784d09a955d2d9327266668cd510c1afdf Mon Sep 17 00:00:00 2001 From: jeanlf Date: Tue, 8 Feb 2022 16:10:15 +0100 Subject: [PATCH] [PATCH] fixed #2108 Gbp-Pq: Name CVE-2022-27145.patch --- src/isomedia/isom_read.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/isomedia/isom_read.c b/src/isomedia/isom_read.c index b309054..1b2cde5 100644 --- a/src/isomedia/isom_read.c +++ b/src/isomedia/isom_read.c @@ -2227,8 +2227,13 @@ GF_Err gf_isom_get_sample_for_movie_time(GF_ISOFile *the_file, u32 trackNumber, return e; #endif - if (nextMediaTime && (nextMediaTime-1 != movieTime)) - return gf_isom_get_sample_for_movie_time(the_file, trackNumber, nextMediaTime-1, StreamDescriptionIndex, SearchMode, sample, sampleNumber, data_offset); + if ((SearchMode==GF_ISOM_SEARCH_SYNC_BACKWARD) || (SearchMode==GF_ISOM_SEARCH_BACKWARD)) { + if (nextMediaTime && (nextMediaTime-1 < movieTime)) + return gf_isom_get_sample_for_movie_time(the_file, trackNumber, nextMediaTime-1, StreamDescriptionIndex, SearchMode, sample, sampleNumber, data_offset); + } else { + if (nextMediaTime && (nextMediaTime-1 > movieTime)) + return gf_isom_get_sample_for_movie_time(the_file, trackNumber, nextMediaTime-1, StreamDescriptionIndex, SearchMode, sample, sampleNumber, data_offset); + } } return e; } -- 2.30.2