From 166dc895f7531c44cb8c1103542c205efcd426de Mon Sep 17 00:00:00 2001 From: lamtung-monash Date: Mon, 29 Dec 2025 15:40:50 +0800 Subject: [PATCH] Fix DoS due to lack of eof check --- 3rdparty/ffmpeg/libavformat/rl2.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/3rdparty/ffmpeg/libavformat/rl2.c b/3rdparty/ffmpeg/libavformat/rl2.c index 50170166..dacd65cd 100644 --- a/3rdparty/ffmpeg/libavformat/rl2.c +++ b/3rdparty/ffmpeg/libavformat/rl2.c @@ -170,12 +170,21 @@ static av_cold int rl2_read_header(AVFormatContext *s) } /** read offset and size tables */ - for(i=0; i < frame_count;i++) + for(i=0; i < frame_count;i++) { + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; chunk_size[i] = avio_rl32(pb); - for(i=0; i < frame_count;i++) + } + for(i=0; i < frame_count;i++) { + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; chunk_offset[i] = avio_rl32(pb); - for(i=0; i < frame_count;i++) + } + for(i=0; i < frame_count;i++) { + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; audio_size[i] = avio_rl32(pb) & 0xFFFF; + } /** build the sample index */ for(i=0;i