CVE-2016-2196

high-risk
Published 2016-05-13

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.

Do I need to act?

~
4.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
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 (20)

Affected Vendors

Botan Project

References (4)

Vendor Advisory http://botan.randombit.net/security.html
Vendor Advisory http://marc.info/?l=botan-devel&m=145435148602911&w=2
Vendor Advisory http://botan.randombit.net/security.html
Vendor Advisory http://marc.info/?l=botan-devel&m=145435148602911&w=2
62
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 8/34 · Low
Exposure 22/34 · High