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/92737390dc133daadce47dd7d2ec8ef3d9ebcbed [2] https://nvd.nist.gov/vuln/detail/CVE-2026-64831 Signed-off-by: Bhavesh R Maheshwari <[email protected]> --- changes in v2: - previously CVE_STATUS was set, created new patch with proper fix --- .../ffmpeg/ffmpeg/CVE-2026-64831.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-2026-64831.patch diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-64831.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-64831.patch new file mode 100644 index 0000000000..29218b3608 --- /dev/null +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2026-64831.patch @@ -0,0 +1,36 @@ +From 60044ad2b2dbd9a728a1471b0e36eed3157a6ad5 Mon Sep 17 00:00:00 2001 +From: Pavel Kohout <[email protected]> +Date: Tue, 30 Jun 2026 21:55:49 +0200 +Subject: [PATCH] avcodec/vulkan_hevc: reject too many VPS HRD parameter sets + +Fixes: stack buffer overflow +Fixes: tD7Mj0ST7ND3 +Fixes: 82864c21112157951ce91b4430a9018edd02f5ab (vulkan_hevc: use VK_KHR_video_maintenance2 if available) +Found-by: Pavel Kohout (Aisle Research) +Signed-off-by: Michael Niedermayer <[email protected]> + +CVE: CVE-2026-64831 +Upstream-Status: Backport [https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/92737390dc133daadce47dd7d2ec8ef3d9ebcbed] + +Signed-off-by: Bhavesh R Maheshwari <[email protected]> +--- + libavcodec/vulkan_hevc.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/libavcodec/vulkan_hevc.c b/libavcodec/vulkan_hevc.c +index 5e15c6b931..34676113a9 100644 +--- a/libavcodec/vulkan_hevc.c ++++ b/libavcodec/vulkan_hevc.c +@@ -875,6 +875,9 @@ static int vk_hevc_end_frame(AVCodecContext *avctx) + vksps_p.vcl_hdr, &vksps_p.ptl, &vksps_p.dpbm, + &vksps_p.pal, vksps_p.str, &vksps_p.ltr); + ++ if (sps->vps->vps_num_hrd_parameters > HEVC_MAX_SUB_LAYERS) ++ return AVERROR_INVALIDDATA; ++ + vkvps_p.sls = vkvps_ps; + set_vps(sps->vps, &vkvps, &vkvps_p.ptl, &vkvps_p.dpbm, + vkvps_p.hdr, vkvps_p.sls); +-- +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 8c1969369b..02b9cf65a5 100644 --- a/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_8.0.3.bb @@ -27,6 +27,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \ file://0001-ffbuild-commonmak-Consolidate-pattern-rules-for-comp.patch \ file://0002-ffbuild-common.mak-ensure-target-directories-are-cre.patch \ file://CVE-2026-64830.patch \ + file://CVE-2026-64831.patch \ " SRC_URI[sha256sum] = "6136812ea6d4e68bdba27e33c2a94382711cdf4f8602ffef056ff792bd6f9818" -- 2.43.0
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