Is CVE-2016-6878 actively exploited?

CVE-2016-6878 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2016-6878?

CVE-2016-6878 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-2016-6878?

Patch guidance is available from botan project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-6878.

Which products are affected by CVE-2016-6878?

1 product: botan project botan.

Fix CVE-2016-6878 - CRITICAL botan project botan

Description

The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang.

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-20 · Improper Input Validation

Metadata

Primary Vendor: BOTAN_PROJECT
Published: 4/10/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2016-6878

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary