openssl: fix CVE-2025-69419

Backport patch from NVD report: https://nvd.nist.gov/vuln/detail/CVE-2025-69419

(From OE-Core rev: 0ad28133e04d439fbee5710ab4b43042d1101ff6)

Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Paul Barker <paul@pbarker.dev>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 62 insertions, 0 deletions

diff --git a/meta/recipes-connectivity/openssl/openssl/CVE-2025-69419.patch b/meta/recipes-connectivity/openssl/openssl/CVE-2025-69419.patch
new file mode 100644
index 0000000000..dcfdba82ac
--- /dev/null
+++ b/meta/recipes-connectivity/openssl/openssl/CVE-2025-69419.patch
@@ -0,0 +1,61 @@
+From 41be0f216404f14457bbf3b9cc488dba60b49296 Mon Sep 17 00:00:00 2001
+From: Norbert Pocs <norbertp@openssl.org>
+Date: Thu, 11 Dec 2025 12:49:00 +0100
+Subject: [PATCH] Check return code of UTF8_putc
+
+Signed-off-by: Norbert Pocs <norbertp@openssl.org>
+
+Reviewed-by: Nikola Pajkovsky <nikolap@openssl.org>
+Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
+(Merged from https://github.com/openssl/openssl/pull/29376)
+
+CVE: CVE-2025-69419
+Upstream-Status: Backport [https://github.com/openssl/openssl/commit/41be0f216404f14457bbf3b9cc488dba60b49296]
+Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
+---
+ crypto/asn1/a_strex.c   |  6 ++++--
+ crypto/pkcs12/p12_utl.c | 11 +++++++++--
+ 2 files changed, 13 insertions(+), 4 deletions(-)
+
+diff --git a/crypto/asn1/a_strex.c b/crypto/asn1/a_strex.c
+index f64e352..7d76700 100644
+--- a/crypto/asn1/a_strex.c
++++ b/crypto/asn1/a_strex.c
+@@ -204,8 +204,10 @@ static int do_buf(unsigned char *buf, int buflen,
+             orflags = CHARTYPE_LAST_ESC_2253;
+         if (type & BUF_TYPE_CONVUTF8) {
+             unsigned char utfbuf[6];
+-            int utflen;
+-            utflen = UTF8_putc(utfbuf, sizeof(utfbuf), c);
++            int utflen = UTF8_putc(utfbuf, sizeof(utfbuf), c);
++
++            if (utflen < 0)
++                return -1; /* error happened with UTF8 */
+             for (i = 0; i < utflen; i++) {
+                 /*
+                  * We don't need to worry about setting orflags correctly
+diff --git a/crypto/pkcs12/p12_utl.c b/crypto/pkcs12/p12_utl.c
+index a96623f..b109dab 100644
+--- a/crypto/pkcs12/p12_utl.c
++++ b/crypto/pkcs12/p12_utl.c
+@@ -206,8 +206,15 @@ char *OPENSSL_uni2utf8(const unsigned char *uni, int unilen)
+     /* re-run the loop emitting UTF-8 string */
+     for (asclen = 0, i = 0; i < unilen; ) {
+         j = bmp_to_utf8(asctmp+asclen, uni+i, unilen-i);
+-        if (j == 4) i += 4;
+-        else        i += 2;
++       /* when UTF8_putc fails */
++        if (j < 0) {
++            OPENSSL_free(asctmp);
++            return NULL;
++        }
++        if (j == 4)
++           i += 4;
++        else
++           i += 2;
+         asclen += j;
+     }
+ 
+-- 
+2.50.1
+
diff --git a/meta/recipes-connectivity/openssl/openssl_3.2.6.bb b/meta/recipes-connectivity/openssl/openssl_3.2.6.bb
index 572a12aae8..074ab12131 100644
--- a/meta/recipes-connectivity/openssl/openssl_3.2.6.bb
+++ b/meta/recipes-connectivity/openssl/openssl_3.2.6.bb
@@ -14,6 +14,7 @@ SRC_URI = "https://github.com/openssl/openssl/releases/download/openssl-${PV}/op
            file://0001-Added-handshake-history-reporting-when-test-fails.patch \
            file://CVE-2024-41996.patch \
            file://CVE-2025-15468.patch \
+           file://CVE-2025-69419.patch \
            "
 
 SRC_URI:append:class-nativesdk = " \