File 0014-libgcrypt-Fix-a-memory-leak.patch of Package grub2
From b930bfa3777bb247295f73d18a478db5049a755d Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Mon, 7 Jul 2025 14:52:20 +0000
Subject: [PATCH 14/14] libgcrypt: Fix a memory leak
Fixes: CID 468917
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
---
.../lib/libgcrypt-patches/08_sexp_leak.patch | 21 +++++++++++++++++++
1 file changed, 21 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..eefd0311e
--- /dev/null
+++ b/grub-core/lib/libgcrypt-patches/08_sexp_leak.patch
@@ -0,0 +1,21 @@
+sexp: Fix a memory leak
+
+Fixes: CID 468917
+
+Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
+
+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
+@@ -2725,8 +2725,10 @@
+ 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;
--
2.43.0