diff --git a/pkgs/tools/misc/grub/default.nix b/pkgs/tools/misc/grub/default.nix
index 4e795fd6607e..d81d576aa6c1 100644
--- a/pkgs/tools/misc/grub/default.nix
+++ b/pkgs/tools/misc/grub/default.nix
@@ -495,6 +495,11 @@ stdenv.mkDerivation rec {
       url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=348cd416a3574348f4255bf2b04ec95938990997";
       hash = "sha256-WBLYQxv8si2tvdPAvbm0/4NNqYWBMJpFV4GC0HhN/kE=";
     })
+    (fetchpatch {
+      name = "CVE-2025-4382.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=c448f511e74cb7c776b314fcb7943f98d3f22b6d";
+      hash = "sha256-64gMhCEW0aYHt46crX/qN/3Hj8MgvWLazgQlVXqe8LE=";
+    })
   ];
 
   postPatch =