ffmpeg: CVE-2025-0518

Unchecked Return Value, Out-of-bounds Read vulnerability in FFmpeg allows Read
Sensitive Constants Within an Executable. This vulnerability is associated with
program files https://github.Com/FFmpeg/FFmpeg/blob/master/libavfilter/af_pan.C .
This issue affects FFmpeg: 7.1. Issue was
fixed:  b5b6391d64
b5b6391d64
This issue was discovered by: Simcha Kosman

(From OE-Core rev: 52cbeaa086d2cc0c0aae46deb4193ccb5427ecdc)

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch

@@ -0,0 +1,34 @@
+From b5b6391d64807578ab872dc58fb8aa621dcfc38a Mon Sep 17 00:00:00 2001
+From: Michael Niedermayer <michael@niedermayer.cc>
+Date: Mon, 6 Jan 2025 22:01:39 +0100
+Subject: [PATCH 1/4] avfilter/af_pan: Fix sscanf() use
+
+Fixes: Memory Data Leak
+
+Found-by: Simcha Kosman <simcha.kosman@cyberark.com>
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+
+CVE: CVE-2025-0518
+
+Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a]
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ libavfilter/af_pan.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
+index a8a1896..6f8d2a4 100644
+--- a/libavfilter/af_pan.c
++++ b/libavfilter/af_pan.c
+@@ -178,7 +178,7 @@ static av_cold int init(AVFilterContext *ctx)
+         sign = 1;
+         while (1) {
+             gain = 1;
+-            if (sscanf(arg, "%lf%n *%n", &gain, &len, &len))
++            if (sscanf(arg, "%lf%n *%n", &gain, &len, &len) >= 1)
+                 arg += len;
+             if (parse_channel_name(&arg, &in_ch_id, &named)){
+                 av_log(ctx, AV_LOG_ERROR,
+--
+2.40.0

meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb

@@ -43,6 +43,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
            file://CVE-2024-35366.patch \
            file://CVE-2024-35367.patch \
            file://CVE-2024-35368.patch \
+           file://CVE-2025-0518.patch \
           "
 
 SRC_URI[sha256sum] = "ef2efae259ce80a240de48ec85ecb062cecca26e4352ffb3fda562c21a93007b"