CVE-2016-6309
UnknownEPSS 69.74%
Last modified
CVE-2016-6309 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 69.74% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | 1.1.0a |
References
- https://www.openssl.org/news/secadv/20160926.txtVendor Advisory
- https://www.openssl.org/news/secadv/20160926.txtVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-6309?
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.
How severe is CVE-2016-6309?
Severity scoring for CVE-2016-6309 is pending analysis. The EPSS model estimates a 69.74% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6309?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-6309?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
