Signed-off-by: Vladimir Serbinenko <phco...@gmail.com>
---
 .../lib/libgcrypt-patches/08_sexp_leak.patch      | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 grub-core/lib/libgcrypt-patches/08_sexp_leak.patch

diff --git a/grub-core/lib/libgcrypt-patches/08_sexp_leak.patch 
b/grub-core/lib/libgcrypt-patches/08_sexp_leak.patch
new file mode 100644
index 000000000..706b95395
--- /dev/null
+++ b/grub-core/lib/libgcrypt-patches/08_sexp_leak.patch
@@ -0,0 +1,15 @@
+diff -ur ../libgcrypt-1.11.0/src/sexp.c grub-core/lib/libgcrypt/src/sexp.c
+--- a/grub-core/lib/libgcrypt-grub/src/sexp.c  2024-03-28 10:07:27.000000000 
+0000
++++ b/grub-core/lib/libgcrypt-grub/src/sexp.c  2025-07-02 17:10:32.714864459 
+0000
+@@ -2714,8 +2714,10 @@
+   length = 0;
+   for (s=string; *s; s +=2 )
+     {
+-      if (!hexdigitp (s) || !hexdigitp (s+1))
++      if (!hexdigitp (s) || !hexdigitp (s+1)) {
++      free (buffer);
+         return NULL;           /* Invalid hex digits. */
++      }
+       ((unsigned char*)buffer)[length++] = xtoi_2 (s);
+     }
+   *r_length = length;
-- 
2.49.0


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