On Thu, Jul 03, 2025 at 10:32:35PM +0200, Manuel Lauss wrote: > Servus Michael, > > On Thu, Jun 19, 2025 at 5:05 AM Michael Niedermayer > <mich...@niedermayer.cc> wrote: > > > > Fixes: > > 410609432/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SANM_fuzzer-4935159201988608 > > Fixes: out of array access > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/sanm.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c > > index 642ef02bff2..02bb78859a8 100644 > > --- a/libavcodec/sanm.c > > +++ b/libavcodec/sanm.c > > @@ -1670,6 +1670,8 @@ static int process_frame_obj(SANMVideoContext *ctx, > > GetByteContext *gb) > > /* Rebel Assault 1: 384x242 internal size */ > > xres = 384; > > yres = 242; > > + if (w > xres || h > yres) > > + return AVERROR_INVALIDDATA; > > ctx->have_dimensions = 1; > > } else if (codec == 37 || codec == 47 || codec == 48) { > > /* these codecs work on full frames, trust their dimensions */ > > This is OK, it does not impact "legitimate" Videos.
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB He who knows, does not speak. He who speaks, does not know. -- Lao Tsu
signature.asc
Description: PGP signature
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
