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/aafb5c655edc76a753275c383ebb139feb032718 [2] https://nvd.nist.gov/vuln/detail/cve-2026-66039 Signed-off-by: Bhavesh R Maheshwari <[email protected]> --- .../ffmpeg/ffmpeg/CVE-2026-66039.patch | 38 +++++++++++++++++++ .../recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb | 1 + 2 files changed, 39 insertions(+) create mode 100644 meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-66039.patch diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-66039.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-66039.patch new file mode 100644 index 0000000000..2e34923eda --- /dev/null +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-66039.patch @@ -0,0 +1,38 @@ +From b3562273e37397669fdb3f4ec933e2fa57e28dbd Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer <[email protected]> +Date: Mon, 29 Jun 2026 01:16:44 +0200 +Subject: [PATCH] avcodec/mace: reject sample counts that overflow int + +Fixes: heap buffer overflow +Fixes: FmXBI2dbgvgD +Fixes: 0eea212943544d40f99b05571aa7159d78667154 (Add avcodec_decode_audio4().) +Found-by: Adrian Junge (vurlo) +Signed-off-by: Michael Niedermayer <[email protected]> + +CVE: CVE-2026-66039 +Upstream-Status: Backport [https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/aafb5c655edc76a753275c383ebb139feb032718] + +Signed-off-by: Bhavesh R Maheshwari <[email protected]> +--- + libavcodec/mace.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/libavcodec/mace.c b/libavcodec/mace.c +index 2aa54fb548..716dd0c00a 100644 +--- a/libavcodec/mace.c ++++ b/libavcodec/mace.c +@@ -252,7 +252,10 @@ static int mace_decode_frame(AVCodecContext *avctx, AVFrame *frame, + } + + /* get output buffer */ +- frame->nb_samples = 3 * (buf_size << (1 - is_mace3)) / channels; ++ int64_t nb_samples = 3 * ((int64_t)buf_size << (1 - is_mace3)) / channels; ++ if (nb_samples > INT_MAX) ++ return AVERROR_INVALIDDATA; ++ frame->nb_samples = nb_samples; + if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) + return ret; + samples = (int16_t **)frame->extended_data; +-- +2.53.0 + diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb index cbb436a9a1..3043cf638f 100644 --- a/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb @@ -41,6 +41,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \ file://CVE-2026-66036_p2.patch \ file://CVE-2026-66037.patch \ file://CVE-2026-66038.patch \ + file://CVE-2026-66039.patch \ " SRC_URI[sha256sum] = "6136812ea6d4e68bdba27e33c2a94382711cdf4f8602ffef056ff792bd6f9818" -- 2.43.0
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