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mirror of https://git.yoctoproject.org/poky synced 2026-05-08 05:09:24 +00:00

ffmpeg: fix CVE-2024-36616

An integer overflow in the component /libavformat/westwood_vqa.c of FFmpeg n6.1.1
allows attackers to cause a denial of service in the application via a crafted VQA file.

(From OE-Core rev: 93a1e2fd2bb42977339510ef7d71288a88a34ab8)

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Archana Polampalli
2025-02-14 10:49:28 +00:00
committed by Steve Sakoman
parent 945621f3ce
commit 2133671f72
2 changed files with 38 additions and 0 deletions
@@ -0,0 +1,37 @@
From a8beef67993aa267de87599007143d9f0ba67c23 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Tue, 26 Mar 2024 01:00:13 +0100
Subject: [PATCH 3/4] avformat/westwood_vqa: Fix 2g packets
Fixes: signed integer overflow: 2147483424 * 2 cannot be represented in type 'int'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WSVQA_fuzzer-4576211411795968
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 86f73277bf014e2ce36dd2594f1e0fb8b3bd6661)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
CVE: CVE-2024-36616
Upstream-Status: Backport [https://github.com/ffmpeg/ffmpeg/commit/a8beef67993aa267de87599007143d9f0ba67c23]
Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
---
libavformat/westwood_vqa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/westwood_vqa.c b/libavformat/westwood_vqa.c
index 9d11606..9499569 100644
--- a/libavformat/westwood_vqa.c
+++ b/libavformat/westwood_vqa.c
@@ -259,7 +259,7 @@ static int wsvqa_read_packet(AVFormatContext *s,
break;
case SND2_TAG:
/* 2 samples/byte, 1 or 2 samples per frame depending on stereo */
- pkt->duration = (chunk_size * 2) / wsvqa->channels;
+ pkt->duration = (chunk_size * 2LL) / wsvqa->channels;
break;
}
break;
--
2.40.0
@@ -45,6 +45,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
file://CVE-2024-35368.patch \
file://CVE-2025-0518.patch \
file://CVE-2024-36613.patch \
file://CVE-2024-36616.patch \
"
SRC_URI[sha256sum] = "ef2efae259ce80a240de48ec85ecb062cecca26e4352ffb3fda562c21a93007b"