Emerging Threat: CVE-2025-15467 - OpenSSL CMS AuthEnvelopedData Stack-Based Buffer Overflow
CVE-2025-15467 is a stack-based buffer overflow vulnerability in the Cryptographic Message Syntax (CMS) implementation of OpenSSL, specifically within handling of AuthEnvelopedData structures. The flaw occurs during parsing of attacker-controlled CMS messages where length fields are not sufficiently validated before being copied into fixed-size stack buffers.