CVE-2020-8252
HIGH7.8EPSS 0.18%Published: 9/18/2020Modified: 4/28/2026
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 packages (5)
- Alpine/libuvfrom 0, < 1.38.1-r0
- Alpine/nodejsfrom 0, < 12.20.1-r0
- Bitnami/node>= 10.0.0, < 10.22.1, >= 12.0.0, < 12.18.4, >= 14.0.0, < 14.9.0
- Bitnami/node-min>= 10.0.0, < 10.22.1, >= 12.0.0, < 12.18.4, >= 14.0.0, < 14.9.0
- Debian/libuv1from 0, < 1.39.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References (11)
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2020-8252
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-8252
- WEBhttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html
- WEBhttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html
- WEBhttps://hackerone.com/reports/965914
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
- WEBhttps://nodejs.org/en/blog/vulnerability/september-2020-security-releases/
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2020-8252
- WEBhttps://security.gentoo.org/glsa/202009-15
- WEBhttps://security.netapp.com/advisory/ntap-20201009-0004/
- WEBhttps://usn.ubuntu.com/4548-1/