From b49815a88f882471eaafd043b2ed10cd186750fe Mon Sep 17 00:00:00 2001
From: Daniel Otte <d.otte@wut.de>
Date: Tue, 2 Feb 2021 12:44:07 +0100
Subject: [PATCH] adding changelog entry for issue #4093

Signed-off-by: Daniel Otte <d.otte@wut.de>
---
 ChangeLog.d/issue4093.txt | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 ChangeLog.d/issue4093.txt

diff --git a/ChangeLog.d/issue4093.txt b/ChangeLog.d/issue4093.txt
new file mode 100644
index 000000000..fe4ce49f3
--- /dev/null
+++ b/ChangeLog.d/issue4093.txt
@@ -0,0 +1,7 @@
+Security
+   * Fix an errorneous estimation for an internal buffer in
+     mbedtls_pk_write_key_pem(). If MBEDTLS_MPI_MAX_SIZE is set to an odd
+     value the function might fail to write a private RSA keys of the largest
+     supported size.
+     Found by Daniel Otte, reported in #4093 and fixed in #4094,
+     backported in #4099.