CVE-2016-7053: CMS Null dereference

Security readout for executives and security teams

This flaw can make certain OpenSSL 1.1.0 applications crash when they parse malformed CMS data. The likely business impact is denial of service, not confirmed data theft or code execution. Exposure is narrow and depends on whether affected OpenSSL versions are still present and processing untrusted CMS structures. Likely exposed systems are applications linked to OpenSSL 1.1.0, 1.1.0a, or 1.1.0b that parse CMS structures from untrusted inputs. General OpenSSL presence alone is insufficient evidence; exposure depends on library version, application code path, and CMS parsing use. Treat as a targeted availability risk for legacy OpenSSL deployments. It should not displace currently exploited critical vulnerabilities, but any remaining OpenSSL 1.1.0 through 1.1.0b use should be remediated or vendor-validated. Mitigation focus: Upgrade affected OpenSSL 1.1.0 deployments to 1.1.0c or later per vendor guidance.; Check appliance and software vendor advisories for bundled OpenSSL remediation status.; Prioritize internet-facing services that parse CMS or receive certificate-like structured data..

Prepared

Jun 13, 2026, 05:01 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.