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TI-2020-06670 Aliases CVE-2020-8252GHSA-c5r6-cm8r-wgh9

Buffer overflow in NodeJS Node

Priority LOW 35CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 6 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.00714 53rd percentileScored 2026-11-07
Fix Partial Node (NodeJS): 10.22.1, 12.18.4, 14.9.0Red Hat: 5 advisoriesRed Hat: 6 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeJSNode4.0 and later; 5.0 and later; 6.0 and later; 7.0 and later; 8.0 and later; 9.0 and later; 10.0 to before 10.22.1; 11.0 and later; 12.0 to before 12.18.4; 13.0 and later; 14.0 to before 14.9.010.22.1, 12.18.4, 14.9.0Patch availableCNA
  • Node VendorNodeJS Affected 4.0 and later; 5.0 and later; 6.0 and later; 7.0 and later; 8.0 and later; 9.0 and later; 10.0 to before 10.22.1; 11.0 and later; 12.0 to before 12.18.4; 13.0 and later; 14.0 to before 14.9.0 Fixed in 10.22.1, 12.18.4, 14.9.0 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*10.0.0 to before 10.22.1; 12.0.0 to before 12.18.4VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*14.0.0 to before 14.9.0VulnerableNodeJS
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*15.2VulnerableopenSUSE
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* Versions 10.0.0 to before 10.22.1; 12.0.0 to before 12.18.4 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 14.0.0 to before 14.9.0 Vulnerable ·NodeJS
  • cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* Versions 15.2 Vulnerable ·openSUSE
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject

Remediation

  • Fix · CNA Node (NodeJS) Fixed in 10.22.1, 12.18.4, 14.9.0

Red Hat 5 advisories

  • RHSA-2021:0548 Released 2021-02-16 · Red Hat rating Moderate
    nodejs:10 security update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:10.23.1-1.module+el8.3.0+9502+012d8a97.aarch64::nodejs:10, nodejs-1:10.23.1-1.module+el8.3.0+9502+012d8a97.ppc64le::nodejs:10, nodejs-1:10.23.1-1.module+el8.3.0+9502+012d8a97.s390x::nodejs:10 +19
  • RHSA-2021:0521 Released 2021-02-15 · Red Hat rating Moderate
    rh-nodejs10-nodejs security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs10-nodejs-10.23.1-2.el7, rh-nodejs10-nodejs-devel-10.23.1-2.el7, rh-nodejs10-nodejs-docs-10.23.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-nodejs10-nodejs-10.23.1-2.el7, rh-nodejs10-nodejs-devel-10.23.1-2.el7, rh-nodejs10-nodejs-docs-10.23.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs10-nodejs-10.23.1-2.el7, rh-nodejs10-nodejs-devel-10.23.1-2.el7, rh-nodejs10-nodejs-docs-10.23.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs10-nodejs-10.23.1-2.el7, rh-nodejs10-nodejs-devel-10.23.1-2.el7, rh-nodejs10-nodejs-docs-10.23.1-2.el7 +1
  • RHSA-2020:5086 Released 2020-11-12 · Red Hat rating Moderate
    rh-nodejs12-nodejs security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs12-nodejs-12.18.4-3.el7, rh-nodejs12-nodejs-devel-12.18.4-3.el7, rh-nodejs12-nodejs-docs-12.18.4-3.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-nodejs12-nodejs-12.18.4-3.el7, rh-nodejs12-nodejs-devel-12.18.4-3.el7, rh-nodejs12-nodejs-docs-12.18.4-3.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs12-nodejs-12.18.4-3.el7, rh-nodejs12-nodejs-devel-12.18.4-3.el7, rh-nodejs12-nodejs-docs-12.18.4-3.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs12-nodejs-12.18.4-3.el7, rh-nodejs12-nodejs-devel-12.18.4-3.el7, rh-nodejs12-nodejs-docs-12.18.4-3.el7 +1
Show 2 more Red Hat advisories
  • RHSA-2020:4903 Released 2020-11-04 · Red Hat rating Moderate
    nodejs:12 security and bug fix update
    • Red Hat Enterprise Linux AppStream EUS (v. 8.1) nodejs-1:12.18.4-2.module+el8.1.0+8360+14141500.aarch64::nodejs:12, nodejs-1:12.18.4-2.module+el8.1.0+8360+14141500.ppc64le::nodejs:12, nodejs-1:12.18.4-2.module+el8.1.0+8360+14141500.s390x::nodejs:12 +19
  • RHSA-2020:4272 Released 2020-10-19 · Red Hat rating Moderate
    nodejs:12 security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:12.18.4-2.module+el8.2.0+8361+192e434e.aarch64::nodejs:12, nodejs-1:12.18.4-2.module+el8.2.0+8361+192e434e.ppc64le::nodejs:12, nodejs-1:12.18.4-2.module+el8.2.0+8361+192e434e.s390x::nodejs:12 +19

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Quay 3AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:4272, RHSA-2021:0548
Red Hat Enterprise Linux AppStream EUS (v. 8.1)Fixed RHSA-2020:4903
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:5086, RHSA-2021:0521
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2020:5086, RHSA-2021:0521
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2020:5086, RHSA-2021:0521
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:5086, RHSA-2021:0521
Not affected: 2 products
  • Red Hat Enterprise Linux 8
  • Red Hat OpenStack Platform 13 (Queens) Operational Tools

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-8252
  2. 2026-10-03 Alias added: GHSA-c5r6-cm8r-wgh9

References

Advisory 8

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2016-01993 The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other… CVSS 3.1HIGH 7.5
  • TI-2024-03325 Command injection vulnerability in programing languages on Microsoft Windows operating system. CVSS 3.1CRITICAL 9.8
  • TI-2022-03472 X.509 Email Address Variable Length Buffer Overflow CVSS 3.1HIGH 7.5
  • TI-2022-03315 X.509 Email Address 4-byte Buffer Overflow CVSS 3.1HIGH 7.5
See all 186 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences