Commit e5fe2cbebc for ffmpeg

commit e5fe2cbebcb666bb132ab26d8dacbace383936c7
Author: Michael Niedermayer <michael@niedermayer.cc>
Date:   Tue Oct 6 07:40:41 2026 +0200

    avformat/rtpdec_h264: Ignore framesize attributes without a height

    Fixes: out of array read
    Fixes: xfnEsbsbvEIX
    Fixes: AISLE-2026-0111-00033
    Stack out of array read Replicated through UnModified FFmpeg (ffprobe) with ASAN
    Found-by: Joshua Rogers <joshua.rogers@aisle.com>

diff --git a/libavformat/rtpdec_h264.c b/libavformat/rtpdec_h264.c
index 72724c2909..c145edaa5e 100644
--- a/libavformat/rtpdec_h264.c
+++ b/libavformat/rtpdec_h264.c
@@ -198,6 +198,9 @@ void ff_h264_parse_framesize(AVCodecParameters *par, const char *p)
         *dst++ = *p++;
     *dst = '\0';

+    if (*p != '-')
+        return;
+
     // a='framesize:96 320-240'
     // set our parameters
     par->width   = atoi(buf1);