CVE-2016-2108

CVE-2016-2108 is a critical vulnerability in OpenSSL versions prior to 1.0.1o and 1.0.2c, affecting products like Google and Red Hat. This flaw, dubbed "negative zero," allows remote attackers to execute arbitrary code or cause a denial of service through a buffer underflow and memory corruption via crafted serialized data containing an ANY field in the ASN.1 implementation. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation (KEV: No) and no public exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community attention with 13 mentions and notable media coverage, indicating its perceived importance.