Buffer overflow in Botan_project Botan
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
EPSS: 0.046 (89.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Botan_project Botan — versions 1.11.0, 1.11.1, 1.11.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- [botan-devel] 20160201 Botan 1.11.28 and 1.10.11 released with security fixes (Vendor Advisory, mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-2196?
- CVE-2016-2196 is a critical-severity vulnerability in Botan_project Botan, 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.