[openssl/openssl] 4f13ba: Harden ASN1_mbstring_ncopy

[Pocs Norbert]

Branch: refs/heads/openssl-3.3
Home: https://github.com/openssl/openssl
Commit: 4f13ba39c911bbbd1cd6802024e1f9d8a6da35f1
https://github.com/openssl/openssl/commit/4f13ba39c911bbbd1cd6802024e1f9d8a6da35f1
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: a26a90d38edec3748566129d824e664b54bee2e2
https://github.com/openssl/openssl/commit/a26a90d38edec3748566129d824e664b54bee2e2
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/83f21a9974ce...a26a90d38ede

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