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[2a01:cb00:1331:aa00:a2e4:fb7b:d88:7544]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fc471b9a2sm8984075e9.0.2026.09.17.15.08.28 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2026 15:08:28 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][wrynose 72/79] ffmpeg: Fix for CVE-2026-64833 Date: Fri, 18 Sep 2026 00:06:57 +0200 Message-ID: <59e03c4fb5a83a7d11c18638ca4d3b93d881e8c9.1789681419.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 22:08:40 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/246167 From: Bhavesh R Maheshwari Pick the patch from [1], also referenced in the NVD report [2]. [1] https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/6f80e2765492700622596af720534cef33dd31b4 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-64833 Signed-off-by: Bhavesh R Maheshwari Signed-off-by: Yoann Congal --- .../ffmpeg/ffmpeg/CVE-2026-64833.patch | 36 +++++++++++++++++++ .../recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb | 1 + 2 files changed, 37 insertions(+) create mode 100644 meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-64833.patch diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-64833.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-64833.patch new file mode 100644 index 00000000000..407ebf0ece3 --- /dev/null +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-64833.patch @@ -0,0 +1,36 @@ +From 9d412e4715b17404b5e4c6d9f0d2b5c1a100aa74 Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer +Date: Tue, 30 Jun 2026 00:11:50 +0200 +Subject: [PATCH 2/9] avformat/spdifenc: bound DTS core_size against the packet + size in the HD path + +Fixes: out of array read +Fixes: yBSax492UIB9 +Fixes: 482d98f69b2 (spdifenc: IEC 61937 encapsulation of DTS-HD for HDMI) +Found-by: Pavel Kohout (Aisle Research) +Signed-off-by: Michael Niedermayer + +CVE: CVE-2026-64833 +Upstream-Status: Backport [https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/6f80e2765492700622596af720534cef33dd31b4] + +Signed-off-by: Bhavesh R Maheshwari +--- + libavformat/spdifenc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/libavformat/spdifenc.c b/libavformat/spdifenc.c +index ab3f73d..16eebda 100644 +--- a/libavformat/spdifenc.c ++++ b/libavformat/spdifenc.c +@@ -225,7 +225,7 @@ static int spdif_header_dts4(AVFormatContext *s, AVPacket *pkt, int core_size, + * (dtshd_fallback == 0) */ + ctx->dtshd_skip = 1; + } +- if (ctx->dtshd_skip && core_size) { ++ if (ctx->dtshd_skip && core_size && core_size <= pkt->size) { + pkt_size = core_size; + if (ctx->dtshd_fallback >= 0) + --ctx->dtshd_skip; +-- +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 4192b1a5c97..35153b81a99 100644 --- a/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb @@ -29,6 +29,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \ file://CVE-2026-64830.patch \ file://CVE-2026-64831.patch \ file://CVE-2026-64832.patch \ + file://CVE-2026-64833.patch \ " SRC_URI[sha256sum] = "6136812ea6d4e68bdba27e33c2a94382711cdf4f8602ffef056ff792bd6f9818"