UBUNTU-CVE-2020-8252

Source
https://ubuntu.com/security/CVE-2020-8252
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8252.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-8252
Upstream
Downstream
Related
Published
2020-09-18T21:15:00Z
Modified
2025-07-18T16:45:45Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The implementation of realpath in libuv < 10.22.1, < 12.18.4, and < 14.9.0 used within Node.js incorrectly determined the buffer size which can result in a buffer overflow if the resolved path is longer than 256 bytes.

References

Affected packages

Ubuntu:20.04:LTS / libuv1

Package

Name
libuv1
Purl
pkg:deb/ubuntu/libuv1@1.34.2-1ubuntu1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.34.2-1ubuntu1.1

Affected versions

1.*

1.30.1-1
1.33.1-2
1.33.1-2ubuntu2
1.33.1-3ubuntu1
1.34.2-1ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libuv1",
            "binary_version": "1.34.2-1ubuntu1.1"
        },
        {
            "binary_name": "libuv1-dbgsym",
            "binary_version": "1.34.2-1ubuntu1.1"
        },
        {
            "binary_name": "libuv1-dev",
            "binary_version": "1.34.2-1ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}