PR #23660 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23660 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23660.patch
Fixes: NULL pointer dereference Fixes: vIIX7oqa3coO Fixes: 73f6cce9361 (avformat/imf: Demuxer) Found-by: Pavel Kohout (Aisle Research) Signed-off-by: Michael Niedermayer <[email protected]> >From c27d49ae14235ea3a942313a6f541b70fc3ff226 Mon Sep 17 00:00:00 2001 From: Pavel Kohout <[email protected]> Date: Tue, 30 Jun 2026 00:02:43 +0200 Subject: [PATCH] avformat/imfdec: check for a missing Path in the asset map Fixes: NULL pointer dereference Fixes: vIIX7oqa3coO Fixes: 73f6cce9361 (avformat/imf: Demuxer) Found-by: Pavel Kohout (Aisle Research) Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/imfdec.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/libavformat/imfdec.c b/libavformat/imfdec.c index def9b2b7a7..987304e5f5 100644 --- a/libavformat/imfdec.c +++ b/libavformat/imfdec.c @@ -255,7 +255,15 @@ static int parse_imf_asset_map_from_xml_dom(AVFormatContext *s, return AVERROR_INVALIDDATA; } - uri = xmlNodeGetContent(ff_imf_xml_get_child_element_by_name(node, "Path")); + if (!(node = ff_imf_xml_get_child_element_by_name(node, "Path"))) { + av_log(s, AV_LOG_ERROR, "Unable to parse asset map XML - missing Path node\n"); + return AVERROR_INVALIDDATA; + } + + uri = xmlNodeGetContent(node); + if (!uri) + return AVERROR(ENOMEM); + if (!imf_uri_is_url(uri) && !imf_uri_is_unix_abs_path(uri) && !imf_uri_is_dos_abs_path(uri)) asset->absolute_uri = av_append_path_component(base_url, uri); else -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
