[openssl/openssl] 51e8f7: Harden ASN1_mbstring_ncopy

[Pocs Norbert]

Branch: refs/heads/master
Home: https://github.com/openssl/openssl
Commit: 51e8f70ba30b92e8faddbb0620666b835fed5a41
https://github.com/openssl/openssl/commit/51e8f70ba30b92e8faddbb0620666b835fed5a41
Author: Norbert Pocs <norb...@openssl.org>
Date: 2025-12-18 (Thu, 18 Dec 2025)

Changed paths:
M crypto/asn1/a_mbstr.c
M test/asn1_internal_test.c

Log Message:
-----------
Harden ASN1_mbstring_ncopy

Reported by Murali Aniruddhan

Signed-off-by: Norbert Pocs <norb...@openssl.org>

Reviewed-by: Nikola Pajkovsky <nik...@openssl.org>
Reviewed-by: Viktor Dukhovni <vik...@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/29376)


Commit: 53b78f2a49cd1ede1c4f86d53b2f6d9ff9e1620e
https://github.com/openssl/openssl/commit/53b78f2a49cd1ede1c4f86d53b2f6d9ff9e1620e
Author: Norbert Pocs <norb...@openssl.org>
Date: 2025-12-18 (Thu, 18 Dec 2025)

Changed paths:
M crypto/asn1/a_strex.c
M crypto/pkcs12/p12_utl.c

Log Message:
-----------
Check return code of UTF8_putc

Signed-off-by: Norbert Pocs <norb...@openssl.org>

Reviewed-by: Nikola Pajkovsky <nik...@openssl.org>
Reviewed-by: Viktor Dukhovni <vik...@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/29376)


Compare: https://github.com/openssl/openssl/compare/5a45547c8e94...53b78f2a49cd

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