PR #21525 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21525 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21525.patch
Fixes: Use of uninitialized memory Fixes: 472020020/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DCA_DEC_fuzzer-6433045331902464 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> >From d951ac1f2e9e1c4fe8d274b5ffa86abb8fd9c3df Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <[email protected]> Date: Mon, 19 Jan 2026 22:33:00 +0100 Subject: [PATCH] avcodec/dca_xll: Clear padding in ff_dca_xll_parse() Fixes: Use of uninitialized memory Fixes: 472020020/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DCA_DEC_fuzzer-6433045331902464 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/dca_xll.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/dca_xll.c b/libavcodec/dca_xll.c index 0e9a4e77e7..e1e444b7b9 100644 --- a/libavcodec/dca_xll.c +++ b/libavcodec/dca_xll.c @@ -1192,6 +1192,9 @@ int ff_dca_xll_parse(DCAXllDecoder *s, const uint8_t *data, DCAExssAsset *asset) else ret = parse_frame_no_pbr(s, data + asset->xll_offset, asset->xll_size, asset); + if (s->pbr_length) + memset(s->pbr_buffer + s->pbr_length, 0, AV_INPUT_BUFFER_PADDING_SIZE); + return ret; } -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
