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[2a01:cb00:1331:aa00:a2e4:fb7b:d88:7544]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fc471b9a2sm8984075e9.0.2026.09.17.15.08.30 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2026 15:08:30 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][wrynose 76/79] ffmpeg: Fix for CVE-2026-65704 Date: Fri, 18 Sep 2026 00:07:01 +0200 Message-ID: <830483e7652ca5954c5dfcd660c2e5cbcc565891.1789681419.git.yoann.congal@smile.fr> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Thu, 17 Sep 2026 22:08:39 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/246171 From: Bhavesh R Maheshwari Pick the patch from [1], also referenced in the NVD report [2]. [1] https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/de771bd52774a52d45b0e2c82e56995a1ef40df7 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-65704 Signed-off-by: Bhavesh R Maheshwari Signed-off-by: Yoann Congal --- .../ffmpeg/ffmpeg/CVE-2026-65704.patch | 35 +++++++++++++++++++ .../recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb | 1 + 2 files changed, 36 insertions(+) create mode 100644 meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-65704.patch diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-65704.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-65704.patch new file mode 100644 index 00000000000..223fd03c334 --- /dev/null +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-65704.patch @@ -0,0 +1,35 @@ +From e6f2209a3ab20ef0489395697a1882e97658b5b9 Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer +Date: Fri, 10 Jul 2026 04:07:35 +0200 +Subject: [PATCH 6/9] avformat/ty: don't let the Series2 AC3 trim underflow the + packet size + +Fixes: negative-size-param +Fixes: ty-s2-ac3-negative-size-single-file.ffconcat / create_poc.py +Fixes: g0qeE6KvrjZi +Found-by: Adrian Junge (vurlo) + +CVE: CVE-2026-65704 +Upstream-Status: Backport [https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/de771bd52774a52d45b0e2c82e56995a1ef40df7] + +Signed-off-by: Bhavesh R Maheshwari +--- + libavformat/ty.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/libavformat/ty.c b/libavformat/ty.c +index 596e4cc..1f2b6f8 100644 +--- a/libavformat/ty.c ++++ b/libavformat/ty.c +@@ -577,7 +577,7 @@ static int demux_audio(AVFormatContext *s, TyRecHdr *rec_hdr, AVPacket *pkt) + if (ty->audio_type == TIVO_AUDIO_AC3 && + ty->tivo_series == TIVO_SERIES2) { + if (ty->ac3_pkt_size + pkt->size > AC3_PKT_LENGTH) { +- pkt->size -= 2; ++ pkt->size -= FFMIN(pkt->size, 2); + ty->ac3_pkt_size = 0; + } else { + ty->ac3_pkt_size += pkt->size; +-- +2.43.0 + diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb index 8be6b423f75..82f4b221b75 100644 --- a/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb @@ -33,6 +33,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \ file://CVE-2026-64834.patch \ file://CVE-2026-64835.patch \ file://CVE-2026-65703.patch \ + file://CVE-2026-65704.patch \ " SRC_URI[sha256sum] = "6136812ea6d4e68bdba27e33c2a94382711cdf4f8602ffef056ff792bd6f9818"