CVE-2026-34181

Issue Summary: The PKCS12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 PBMAC1 integrity mechanism allowing a certificate and private key forgery. Impact Summary: An attacker impersonating a user can cause a service...

CVE-2026-34181

The OpenSSL library fails to perform sufficient input validation when processing PKCS#12 files that use the Password-Based Message Authentication Code 1 (PBMAC1) integrity mechanism. This vulnerability allows an attacker to craft unencrypted PKCS#12 files with a one-byte HMAC key, enabling them t...