← Back

CVE-2020-8252

nvd nist
Published: Sep 18, 2020Modified: Jun 17, 2026

JSON object

Loading...
7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

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.

Affected (5)

Nodejs
1 product
Node.js
Opensuse
1 product
Leap
Fedoraproject
1 product
Fedora
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Nodejs
Node.js
From 14.0.0 to 14.9.0
Node.js
From 10.0.0 to 10.22.1
Node.js
From 12.0.0 to 12.18.4
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Leap
Version 15.2
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Fedora
Version 33

Related CWEs

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (16)

Source: support@hackerone.com
Third Party Advisory
Source: support@hackerone.com
Mailing ListThird Party Advisory
Source: support@hackerone.com
Permissions RequiredThird Party Advisory
Source: support@hackerone.com
Source: support@hackerone.com
Vendor Advisory
Source: support@hackerone.com
Third Party Advisory
Source: support@hackerone.com
Third Party Advisory
Source: support@hackerone.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions RequiredThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.