CVE-2020-8252

HIGH

libuv <10.22.1-14.9.0 - Buffer Overflow

Title source: llm

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.

References (8)

[Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html

[Permissions Required, Third Party Advisory] https://hackerone.com/reports/965914

[Vendor Advisory] https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/

[Third Party Advisory] https://security.gentoo.org/glsa/202009-15

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20201009-0004/

[Third Party Advisory] https://usn.ubuntu.com/4548-1/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/

Scores

CVSS v3 7.8

EPSS 0.0018

EPSS Percentile 39.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-120

Status published

Affected Products (4)

nodejs/node.js < 10.22.1

nodejs/node.js < 14.9.0

opensuse/leap

fedoraproject/fedora

Timeline

Published Sep 18, 2020

Tracked Since Feb 18, 2026