Is CVE-2016-2196 actively exploited?

CVE-2016-2196 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2016-2196?

CVE-2016-2196 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-2196?

Patch guidance is available from botan project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-2196.

Fix CVE-2016-2196 - CRITICAL botan project botan

Q: Which products are affected by CVE-2016-2196?

27 products: botan project botan, botan project botan, botan project botan, botan project botan, botan project botan, and 22 more.

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.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: BOTAN_PROJECT
Published: 5/13/2016
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

botan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botanbotan_project : botan

Remediation Guidance

Executive Summary

Cite this page

CVE-2016-2196. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2016-2196

View on NIST NVD

CVE-2016-2196 vulnerability