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Wed, 11 Feb 2026 01:42:34 +0200 (EET) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Tue, 10 Feb 2026 23:42:30 -0000 Message-ID: <177076738187.25.17921600994020358728@009cbcb3d8cd> Message-ID-Hash: BFMEZUBZCBCMLLJMXMM7742QMUZRFVFD X-Message-ID-Hash: BFMEZUBZCBCMLLJMXMM7742QMUZRFVFD 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/hdrdec: Check input size before buffer allocation (PR #21718) 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 #21718 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21718 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21718.patch Fixes: Timeout Fixes: 471948155/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HDR_DEC_fuzzer-5679690418552832 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer >>From 17d80efcc17dc0a49c553eaab526bcdf23639b92 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 10 Feb 2026 17:22:11 +0100 Subject: [PATCH] avcodec/hdrdec: Check input size before buffer allocation Fixes: Timeout Fixes: 471948155/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HDR_DEC_fuzzer-5679690418552832 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/hdrdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/hdrdec.c b/libavcodec/hdrdec.c index b7ade48e32..cffa7570db 100644 --- a/libavcodec/hdrdec.c +++ b/libavcodec/hdrdec.c @@ -126,6 +126,9 @@ static int hdr_decode_frame(AVCodecContext *avctx, AVFrame *p, ; } + if (bytestream2_get_bytes_left(&gb) < height * 4) + return AVERROR_INVALIDDATA; + if ((ret = ff_set_dimensions(avctx, width, height)) < 0) return ret; -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org