CVE-2016-6309
high-risk
Published 2016-09-26
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.
Do I need to act?
!
28.2% chance of exploitation in next 30 days
EPSS score — higher than 72% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (28)
Vendor Advisory
https://www.openssl.org/news/secadv/20160926.txt
and 8 more references
52
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
15/34 · Moderate
Exposure
5/34 · Minimal