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

EPSS Probability
69.74%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensslOpenssl1.1.0a

References

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.

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Source: NVD / NIST