UBUNTU-CVE-2016-7438

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2016-7438
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7438.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-7438
Upstream
Published
2016-12-13T16:59:00Z
Modified
2025-10-24T04:45:53Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.

References

Affected packages

Ubuntu:16.04:LTS / wolfssl

Package

Name
wolfssl
Purl
pkg:deb/ubuntu/wolfssl@3.4.8+dfsg-1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.4.8+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.4.8+dfsg-1",
            "binary_name": "libcyassl5"
        },
        {
            "binary_version": "3.4.8+dfsg-1",
            "binary_name": "libwolfssl-dev"
        },
        {
            "binary_version": "3.4.8+dfsg-1",
            "binary_name": "libwolfssl0"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7438.json"