diff --git a/backport-CVE-2024-35369.patch b/backport-CVE-2024-35369.patch
new file mode 100644
index 0000000000000000000000000000000000000000..3feb3c8abd2e27b898384e3b14e2e1a363167e8b
--- /dev/null
+++ b/backport-CVE-2024-35369.patch
@@ -0,0 +1,31 @@
+From 0895ef0d6d6406ee6cd158fc4d47d80f201b8e9c Mon Sep 17 00:00:00 2001
+From: James Almer <jamrial@gmail.com>
+Date: Sat, 17 Feb 2024 09:45:57 -0300
+Subject: [PATCH] avcodec/speexdec: further check for sane frame_size values
+
+Prevent potential integer overflows.
+
+Signed-off-by: James Almer <jamrial@gmail.com>
+---
+ libavcodec/speexdec.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/libavcodec/speexdec.c b/libavcodec/speexdec.c
+index 08c7e77..46d2587 100644
+--- a/libavcodec/speexdec.c
++++ b/libavcodec/speexdec.c
+@@ -1420,8 +1420,10 @@ static int parse_speex_extradata(AVCodecContext *avctx,
+         return AVERROR_INVALIDDATA;
+     s->bitrate = bytestream_get_le32(&buf);
+     s->frame_size = bytestream_get_le32(&buf);
+-    if (s->frame_size < NB_FRAME_SIZE << s->mode)
++    if (s->frame_size < NB_FRAME_SIZE << s->mode ||
++        s->frame_size >     INT32_MAX >> s->mode)
+         return AVERROR_INVALIDDATA;
++    s->frame_size <<= s->mode;
+     s->vbr = bytestream_get_le32(&buf);
+     s->frames_per_packet = bytestream_get_le32(&buf);
+     if (s->frames_per_packet <= 0 ||
+-- 
+2.33.0
+
diff --git a/backport-CVE-2024-36619.patch b/backport-CVE-2024-36619.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c18b7c408c10ddccd2a00ed211356a8df4840103
--- /dev/null
+++ b/backport-CVE-2024-36619.patch
@@ -0,0 +1,31 @@
+From 28c7094b25b689185155a6833caf2747b94774a4 Mon Sep 17 00:00:00 2001
+From: Michael Niedermayer <michael@niedermayer.cc>
+Date: Thu, 4 Apr 2024 00:15:27 +0200
+Subject: [PATCH] avcodec/wavarc: fix signed integer overflow in block type
+ 6/19
+
+Fixes: signed integer overflow: -2088796289 + -91276551 cannot be represented in type 'int'
+Fixes: 67772/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6533568953122816
+
+Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+---
+ libavcodec/wavarc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c
+index 7083494cd8..b4b26958e6 100644
+--- a/libavcodec/wavarc.c
++++ b/libavcodec/wavarc.c
+@@ -647,7 +647,7 @@ static int decode_5elp(AVCodecContext *avctx,
+                 for (int o = 0; o < order; o++)
+                     sum += s->filter[ch][o] * (unsigned)samples[n + 70 - o - 1];
+ 
+-                samples[n + 70] += ac_out[n] + (sum >> 4);
++                samples[n + 70] += ac_out[n] + (unsigned)(sum >> 4);
+             }
+ 
+             for (int n = 0; n < 70; n++)
+-- 
+2.33.0
+
diff --git a/ffmpeg.spec b/ffmpeg.spec
index 4a89a8a1123c67e4ffb8dcb8b65f081bb41a636c..d1f05a1c4aea06ff618d97ae1fb9a7dfc6077053 100644
--- a/ffmpeg.spec
+++ b/ffmpeg.spec
@@ -62,7 +62,7 @@
 Summary:        Digital VCR and streaming server
 Name:           ffmpeg%{?flavor}
 Version:        6.1.1
-Release:        17
+Release:        18
 License:        GPL-3.0-or-later
 URL:            http://ffmpeg.org/
 Source0:        http://ffmpeg.org/releases/ffmpeg-%{version}.tar.xz
@@ -84,6 +84,8 @@ Patch13:        backport-CVE-2024-35368.patch
 Patch14:        backport-CVE-2024-36616.patch
 Patch15:        backport-CVE-2024-36618.patch
 Patch16:        backport-CVE-2024-36617.patch
+Patch17:        backport-CVE-2024-36619.patch
+Patch18:        backport-CVE-2024-35369.patch
 
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
 %{?_with_cuda:BuildRequires: cuda-minimal-build-%{_cuda_version_rpm} cuda-drivers-devel}
@@ -413,6 +415,9 @@ install -pm755 tools/qt-faststart %{buildroot}%{_bindir}
 
 
 %changelog
+* Tue Dec 17 2024 liningjie <liningjie@xfusion.com> - 6.1.1-18
+- fix CVE-2024-36619 CVE-2024-35369
+
 * Fri Dec 13 2024 liningjie <liningjie@xfusion.com> - 6.1.1-17
 - fix CVE-2024-36617 CVE-2024-36618