virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-10-30 23:18:11 +02:00
Code Issues Releases Activity

avformat/sdp: Check before appending ","

Browse Source 
Found by reviewing code related to CID1500301 String not null terminated

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2024-05-08 04:07:40 +02:00
parent a3d3a58026
commit 5b82852519
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
libavformat/sdp.c
View File

@@ -203,6 +203,8 @@ static int extradata2psets(AVFormatContext *s, const AVCodecParameters *par,
continue;
}
if (p != (psets + strlen(pset_string))) {
if (p - psets >= MAX_PSET_SIZE)
goto fail_in_loop;
*p = ',';
p++;
}
@@ -213,6 +215,7 @@ static int extradata2psets(AVFormatContext *s, const AVCodecParameters *par,
if (!av_base64_encode(p, MAX_PSET_SIZE - (p - psets), r, r1 - r)) {
av_log(s, AV_LOG_ERROR, "Cannot Base64-encode %"PTRDIFF_SPECIFIER" %"PTRDIFF_SPECIFIER"!\n",
MAX_PSET_SIZE - (p - psets), r1 - r);
fail_in_loop:
av_free(psets);
av_free(tmpbuf);