CVE-2016-6309
CriticalSummary
The statem/statem.c file in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, allowing remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrary code via a crafted TLS session.
Risk Assessment
This vulnerability may lead to denial of service or allow attackers to execute malicious code, posing a serious threat to the security of systems using OpenSSL.
Recommendation
It is recommended to update OpenSSL to the latest version to mitigate this vulnerability and to monitor systems for unauthorized activities.
Original NVD description (English source)
statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrary code via a crafted TLS session.