From: Bhavesh R Maheshwari <[email protected]> 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 <[email protected]> --- changes in v2: - rebased on new CVE fix --- .../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 0000000000..407ebf0ece --- /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 <[email protected]> +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 <[email protected]> + +CVE: CVE-2026-64833 +Upstream-Status: Backport [https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/6f80e2765492700622596af720534cef33dd31b4] + +Signed-off-by: Bhavesh R Maheshwari <[email protected]> +--- + 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 4192b1a5c9..35153b81a9 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" -- 2.43.0
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