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ffmpeg: fix CVE-2024-36618

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FFmpeg n6.1.1 has a vulnerability in the AVI demuxer of the libavformat library
which allows for an integer overflow, potentially resulting in a denial-of-service (DoS) condition.

(From OE-Core rev: 46680bed23ef6f529c7e554b5611a7c098fce8a9)

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Archana Polampalli
2025-02-21 06:03:04 +00:00
committed by Steve Sakoman
parent ec48edde27
commit 5356d3a7e5
2 changed files with 37 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-36618.patch Normal file
View File

@@ -0,0 +1,36 @@
From 7a089ed8e049e3bfcb22de1250b86f2106060857 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Tue, 12 Mar 2024 23:23:17 +0100
Subject: [PATCH] avformat/avidec: Fix integer overflow iff ULONG_MAX <
INT64_MAX
Affects many FATE-tests, see
https://fate.ffmpeg.org/report.cgi?time=20240312011016&slot=ppc-linux-gcc-13.2-ubsan-altivec-qemu
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
CVE: CVE-2024-36618
Upstream-Status: Backport [https://github.com/ffmpeg/ffmpeg/commit/7a089ed8e049e3bfcb22de1250b86f2106060857]
Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
---
libavformat/avidec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 8584b4a..b0fe7df 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -1682,7 +1682,7 @@ static int check_stream_max_drift(AVFormatContext *s)
int *idx = av_calloc(s->nb_streams, sizeof(*idx));
if (!idx)
return AVERROR(ENOMEM);
- for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1LU) {
+ for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1ULL) {
int64_t max_dts = INT64_MIN / 2;
int64_t min_dts = INT64_MAX / 2;
int64_t max_buffer = 0;
--
2.40.0

1
meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
View File

@@ -47,6 +47,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
file://CVE-2024-36613.patch \
file://CVE-2024-36616.patch \
file://CVE-2024-36617.patch \
file://CVE-2024-36618.patch \
"
SRC_URI[sha256sum] = "ef2efae259ce80a240de48ec85ecb062cecca26e4352ffb3fda562c21a93007b"