CVE-2016-2196

Description

Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.40% Top 20%
Vendor Advisory randombit.net Vendor Advisory marc.info
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://marc.info/?l=botan-devel&m=145435148602911&w=2 mailing list vendor advisory
http://botan.randombit.net/security.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-2196?
CVE-2016-2196 has been scored as a critical severity vulnerability.
How to fix CVE-2016-2196?
To fix CVE-2016-2196, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2196 being actively exploited in the wild?
It is possible that CVE-2016-2196 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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