diff --git a/pkgs/development/compilers/llvm/common/lldb/default.nix b/pkgs/development/compilers/llvm/common/lldb/default.nix
index f67da5042667..ac4c4fbacd7f 100644
--- a/pkgs/development/compilers/llvm/common/lldb/default.nix
+++ b/pkgs/development/compilers/llvm/common/lldb/default.nix
@@ -70,7 +70,14 @@ stdenv.mkDerivation (
 
     sourceRoot = "${finalAttrs.src.name}/lldb";
 
-    patches = [ ./gnu-install-dirs.patch ];
+    patches = [
+      ./gnu-install-dirs.patch
+    ]
+    ++ lib.optional (lib.versions.major release_version == "18") [
+      # Fix build with gcc15
+      # https://github.com/llvm/llvm-project/commit/bb59f04e7e75dcbe39f1bf952304a157f0035314
+      ./lldb-add-include-cstdint.patch
+    ];
 
     nativeBuildInputs = [
       cmake
diff --git a/pkgs/development/compilers/llvm/common/lldb/lldb-add-include-cstdint.patch b/pkgs/development/compilers/llvm/common/lldb/lldb-add-include-cstdint.patch
new file mode 100644
index 000000000000..2ca0b9a3eb38
--- /dev/null
+++ b/pkgs/development/compilers/llvm/common/lldb/lldb-add-include-cstdint.patch
@@ -0,0 +1,16 @@
+Rebase of upstream commit:
+https://github.com/llvm/llvm-project/commit/bb59f04e7e75dcbe39f1bf952304a157f0035314
+
+diff --git a/include/lldb/Utility/AddressableBits.h b/include/lldb/Utility/AddressableBits.h
+index 0d27c3561ec27..8c7a1ec5f52c0 100644
+--- a/include/lldb/Utility/AddressableBits.h
++++ b/include/lldb/Utility/AddressableBits.h
+@@ -12,6 +12,8 @@
+ #include "lldb/lldb-forward.h"
+ 
++#include <cstdint>
++
+ namespace lldb_private {
+ 
+ /// \class AddressableBits AddressableBits.h "lldb/Core/AddressableBits.h"
+