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Tue, 20 Jan 2026 05:42:34 +0200 (EET) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Tue, 20 Jan 2026 03:42:33 -0000 Message-ID: <176888055435.25.8718023219252646735@4457048688e7> Message-ID-Hash: CG3RJW6EUNVZZ2K3QFFY6HH3VMX6IEKX X-Message-ID-Hash: CG3RJW6EUNVZZ2K3QFFY6HH3VMX6IEKX X-MailFrom: code@ffmpeg.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PR] avcodec/dca_xll: Clear padding in ff_dca_xll_parse() (PR #21525) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: michaelni via ffmpeg-devel Cc: michaelni Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: 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 >>From d951ac1f2e9e1c4fe8d274b5ffa86abb8fd9c3df Mon Sep 17 00:00:00 2001 From: Michael Niedermayer 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 --- 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 -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org