Read the docs
TI-2020-05369 Aliases CVE-2020-6520GHSA-w23m-925x-fcpw

Out-of-bounds write in Google Chrome

Priority MEDIUM 43CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

Buffer overflow in Skia in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Why it matters now

EPSS 0.02696 85th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 84.0.4147.89Red Hat: 1 advisory

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromebefore 84.0.4147.8984.0.4147.89Patch availableCNA
  • Chrome VendorGoogle Affected before 84.0.4147.89 Fixed in 84.0.4147.89 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 84.0.4147.89VulnerableGoogle
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*15.0 sp1VulnerableopenSUSE
cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*15.0 sp2VulnerableopenSUSE
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*32VulnerableFedoraproject
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*15.2VulnerableopenSUSE
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 84.0.4147.89 Vulnerable ·Google
  • cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* Versions 15.0 sp1 Vulnerable ·openSUSE
  • cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* Versions 15.0 sp2 Vulnerable ·openSUSE
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* Versions 15.2 Vulnerable ·openSUSE

Remediation

  • Fix · CNA Chrome (Google) Fixed in 84.0.4147.89

Red Hat 1 advisory

  • RHSA-2020:3377 Released 2020-08-10 · Red Hat rating Critical
    chromium-browser security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-84.0.4147.105-2.el6_10
    • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-84.0.4147.105-2.el6_10
    • Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-84.0.4147.105-2.el6_10
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-84.0.4147.105-2.el6_10

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Google Chrome — GLSA-202007-08

    30 records Highest priority Priority MEDIUM 17 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2020-05357 Improper input validation in Google ChromePriority MEDIUM 56
    • TI-2020-05371 Inappropriate implementation in external protocol handlers in Google Chrome prior to…Priority MEDIUM 45
    • TI-2020-05373 Out-of-bounds write in Google ChromePriority MEDIUM 43
    Show all 30 records → Advisory →
  • Advisory ·

    Google Chrome — openSUSE-SU-2020:1061

    26 records Highest priority Priority MEDIUM 14 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2020-05371 Inappropriate implementation in external protocol handlers in Google Chrome prior to…Priority MEDIUM 45
    • TI-2020-05373 Out-of-bounds write in Google ChromePriority MEDIUM 43
    • TI-2020-05372 Integer overflow in Google ChromePriority MEDIUM 43
    Show all 26 records → Advisory →
Show 5 more groups
  • Advisory ·

    Google Chrome — openSUSE-SU-2020:1148

    26 records Highest priority Priority MEDIUM 14 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2020-05371 Inappropriate implementation in external protocol handlers in Google Chrome prior to…Priority MEDIUM 45
    • TI-2020-05373 Out-of-bounds write in Google ChromePriority MEDIUM 43
    • TI-2020-05372 Integer overflow in Google ChromePriority MEDIUM 43
    Show all 26 records → Advisory →
  • Advisory ·

    Google Chrome — openSUSE-SU-2020:1172

    26 records Highest priority Priority MEDIUM 14 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2020-05371 Inappropriate implementation in external protocol handlers in Google Chrome prior to…Priority MEDIUM 45
    • TI-2020-05373 Out-of-bounds write in Google ChromePriority MEDIUM 43
    • TI-2020-05372 Integer overflow in Google ChromePriority MEDIUM 43
    Show all 26 records → Advisory →
  • Advisory ·

    Google Chrome — openSUSE-SU-2020:1048

    26 records Highest priority Priority MEDIUM 14 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2020-05371 Inappropriate implementation in external protocol handlers in Google Chrome prior to…Priority MEDIUM 45
    • TI-2020-05373 Out-of-bounds write in Google ChromePriority MEDIUM 43
    • TI-2020-05372 Integer overflow in Google ChromePriority MEDIUM 43
    Show all 26 records → Advisory →
  • Advisory ·

    Google Chrome — FEDORA-2020-bf684961d9

    26 records Highest priority Priority MEDIUM 14 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2020-05371 Inappropriate implementation in external protocol handlers in Google Chrome prior to…Priority MEDIUM 45
    • TI-2020-05373 Out-of-bounds write in Google ChromePriority MEDIUM 43
    • TI-2020-05372 Integer overflow in Google ChromePriority MEDIUM 43
    Show all 26 records → Advisory →
  • Advisory ·

    Google Chrome — FEDORA-2020-84d87cbd50

    26 records Highest priority Priority MEDIUM 14 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2020-05371 Inappropriate implementation in external protocol handlers in Google Chrome prior to…Priority MEDIUM 45
    • TI-2020-05373 Out-of-bounds write in Google ChromePriority MEDIUM 43
    • TI-2020-05372 Integer overflow in Google ChromePriority MEDIUM 43
    Show all 26 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2020:3377
Red Hat Enterprise Linux HPC Node Supplementary (v. 6)Fixed RHSA-2020:3377
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2020:3377
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2020:3377

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-6520
  2. 2026-10-03 Alias added: GHSA-w23m-925x-fcpw

References

Advisory 10

  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
See all 7586 →

Sources

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