diff --git a/debian/changelog b/debian/changelog
index d60ba6f..44e29bf 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+kissfft (131.1.0-3deepin1) unstable; urgency=medium
+
+  * Fix CVE-2025-34297: integer overflow on 32-bit platforms in
+    kiss_fft_alloc
+
+ -- deepin-ci-robot <packages@deepin.org>  Mon, 27 Apr 2026 19:30:45 +0800
+
 kissfft (131.1.0-3) unstable; urgency=medium
 
   * [DNM] Try unmerged PRs
diff --git a/debian/patches/cve_2025_34297.patch b/debian/patches/cve_2025_34297.patch
new file mode 100644
index 0000000..8b6bafc
--- /dev/null
+++ b/debian/patches/cve_2025_34297.patch
@@ -0,0 +1,32 @@
+Description: Fix CVE-2025-34297: integer overflow on 32-bit platforms in kiss_fft_alloc
+ Add overflow check in kiss_fft_alloc to prevent integer overflow when
+ calculating memory requirements on 32-bit platforms where SIZE_MAX is
+ smaller than the required allocation size.
+Author: Mark Borgerding <markb@3db-labs.com>
+Origin: upstream, https://github.com/mborgerding/kissfft/commit/1b08316582049c3716154caefc0deab8758506e3
+Bug: https://security-tracker.debian.org/tracker/CVE-2025-34297
+Forwarded: not-needed
+---
+ kiss_fft.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+--- a/kiss_fft.c
++++ b/kiss_fft.c
+@@ -7,6 +7,7 @@
+  */
+ 
+ 
++#include <stdint.h>
+ #include "_kiss_fft_guts.h"
+ /* The guts header contains all the multiplication and addition macros that are defined for
+  fixed or floating point complex numbers.  It also delares the kf_ internal functions.
+@@ -339,6 +340,10 @@ kiss_fft_cfg kiss_fft_alloc(int nfft,int
+     KISS_FFT_ALIGN_CHECK(mem)
+ 
+     kiss_fft_cfg st=NULL;
++    // check for overflow condition {memneeded > SIZE_MAX}.
++    if (nfft >= (SIZE_MAX - 2*sizeof(struct kiss_fft_state))/sizeof(kiss_fft_cpx))
++        return NULL;
++
+     size_t memneeded = KISS_FFT_ALIGN_SIZE_UP(sizeof(struct kiss_fft_state)
+         + sizeof(kiss_fft_cpx)*(nfft-1)); /* twiddle factors*/
diff --git a/debian/patches/series b/debian/patches/series
index 792d2c8..0b2ebff 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -2,3 +2,4 @@
 0002-PR69.patch
 0003-PR70.patch
 0004-libm.diff
+cve_2025_34297.patch