Vulnerability Details CVE-2016-7053
In OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures can crash with a NULL pointer dereference. This is caused by a bug in the handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a NULL value being passed to the structure callback if an attempt is made to free certain invalid encodings. Only CHOICE structures using a callback which do not handle NULL value are affected.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 76.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2016-7053
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cpe:2.3:a:openssl:openssl:1.1.0
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cpe:2.3:a:openssl:openssl:1.1.0a
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cpe:2.3:a:openssl:openssl:1.1.0b