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[2a01:cb00:1331:aa00:a2e4:fb7b:d88:7544]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fc471b9a2sm8984075e9.0.2026.09.17.15.08.27 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2026 15:08:27 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][wrynose 70/79] ffmpeg: Fix for CVE-2026-64831 Date: Fri, 18 Sep 2026 00:06:55 +0200 Message-ID: <93c481ea002a8defebf022155ebbc7226f989647.1789681419.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/246165 From: Bhavesh R Maheshwari 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 Signed-off-by: Yoann Congal --- .../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 00000000000..29218b3608f --- /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 +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 + +CVE: CVE-2026-64831 +Upstream-Status: Backport [https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/92737390dc133daadce47dd7d2ec8ef3d9ebcbed] + +Signed-off-by: Bhavesh R Maheshwari +--- + 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 8c1969369b6..02b9cf65a5f 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"