ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 11 23:09:07 2025 +0200| [9ae2d3646ba71ff2f10ec2f202a8f4b130d550e9] | committer: Michael Niedermayer
avcodec/takdec: Check remaining space for first predictors Fixes: Timeout Fixes: 403673829/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-5498240154009600 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 8e6db875afcd147d48718130fde4a05c3ac406db) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9ae2d3646ba71ff2f10ec2f202a8f4b130d550e9 --- libavcodec/takdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/takdec.c b/libavcodec/takdec.c index 8ec87ab509..934e38e7ac 100644 --- a/libavcodec/takdec.c +++ b/libavcodec/takdec.c @@ -431,6 +431,9 @@ static int decode_subframe(TAKDecContext *s, int32_t *decoded, return AVERROR_INVALIDDATA; } + if (get_bits_left(gb) < 2*10 + 2*size) + return AVERROR_INVALIDDATA; + s->predictors[0] = get_sbits(gb, 10); s->predictors[1] = get_sbits(gb, 10); s->predictors[2] = get_sbits(gb, size) * (1 << (10 - size)); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
