File openssl-CVE-2025-15467.patch of Package openssl-3.42398
From 190ba58c0a1d995d4da8b017054d4b74d138291c Mon Sep 17 00:00:00 2001
From: Igor Ustinov <igus68@gmail.com>
Date: Mon, 12 Jan 2026 12:13:35 +0100
Subject: [PATCH] Correct handling of AEAD-encrypted CMS with inadmissibly long
IV
Fixes CVE-2025-15467
---
crypto/evp/evp_lib.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c
index 9eae1d421c..58fa7ce43b 100644
--- a/crypto/evp/evp_lib.c
+++ b/crypto/evp/evp_lib.c
@@ -228,10 +228,9 @@ int evp_cipher_get_asn1_aead_params(EVP_CIPHER_CTX *c, ASN1_TYPE *type,
if (type == NULL || asn1_params == NULL)
return 0;
- i = ossl_asn1_type_get_octetstring_int(type, &tl, NULL, EVP_MAX_IV_LENGTH);
- if (i <= 0)
+ i = ossl_asn1_type_get_octetstring_int(type, &tl, iv, EVP_MAX_IV_LENGTH);
+ if (i <= 0 || i > EVP_MAX_IV_LENGTH)
return -1;
- ossl_asn1_type_get_octetstring_int(type, &tl, iv, i);
memcpy(asn1_params->iv, iv, i);
asn1_params->iv_len = i;
--
2.51.0