Buffer overflow in Botan Project
CVE-2016-2196
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.053 (92.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.053 · newest: 0.053 · change: 0.000
Affected products
- Botan Project — versions 1.11.0, 1.11.1, 1.11.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (Vendor Advisory, mailing-list)
- botan.randombit.net/security.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-2196?
- CVE-2016-2196 is a critical-severity vulnerability in Botan Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-05-13.
- How severe is CVE-2016-2196?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-2196 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.