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TI-2020-12620 Aliases CVE-2020-16008GHSA-xvqc-4q7g-qm76

Out-of-bounds write in Google Chrome

Priority MEDIUM 40CWE-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

Stack buffer overflow in WebRTC in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit stack corruption via a crafted WebRTC packet.

Why it matters now

EPSS 0.01151 67th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 86.0.4240.183Red Hat: 1 advisory

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromebefore 86.0.4240.18386.0.4240.183Patch availableCNA
  • Chrome VendorGoogle Affected before 86.0.4240.183 Fixed in 86.0.4240.183 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 86.0.4240.183VulnerableGoogle
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:32:*:*:*:*:*:*:*32VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
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 86.0.4240.183 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:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 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 86.0.4240.183

Red Hat 1 advisory

  • RHSA-2020:4974 Released 2020-11-09 · Red Hat rating Important
    chromium-browser security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-86.0.4240.183-1.el6_10
    • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-86.0.4240.183-1.el6_10
    • Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-86.0.4240.183-1.el6_10
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-86.0.4240.183-1.el6_10

Fixed in the same release

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

  • Advisory ·

    Google Chrome — openSUSE-SU-2020:1829

    39 records Highest priority Priority CRITICAL 2 CRITICAL, 24 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2020-12611 Buffer overflow in Google ChromePriority CRITICAL 98
    • TI-2020-12621 Out-of-bounds write in Google ChromePriority CRITICAL 97
    • TI-2020-12623 Out-of-bounds write in Google ChromePriority MEDIUM 46
    Show all 39 records → Advisory →
  • Advisory ·

    Google Chrome — FEDORA-2020-4e8e48da22

    36 records Highest priority Priority CRITICAL 1 CRITICAL, 23 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2020-12621 Out-of-bounds write in Google ChromePriority CRITICAL 97
    • TI-2020-12584 Use after free in Google ChromePriority MEDIUM 43
    • TI-2020-12581 Use after free in Google ChromePriority MEDIUM 42
    Show all 36 records → Advisory →
Show 2 more groups
  • Advisory ·

    Google Chrome — openSUSE-SU-2020:1831

    7 records Highest priority Priority CRITICAL 1 CRITICAL, 5 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2020-12621 Out-of-bounds write in Google ChromePriority CRITICAL 97
    • TI-2020-12623 Out-of-bounds write in Google ChromePriority MEDIUM 46
    • TI-2020-12618 Out-of-bounds write in Google ChromePriority MEDIUM 41
    Show all 7 records → Advisory →
  • Advisory ·

    Google Chrome — GLSA-202011-12

    6 records Highest priority Priority CRITICAL 2 CRITICAL, 4 MEDIUM

    Other records, highest priority first

    • TI-2020-12611 Buffer overflow in Google ChromePriority CRITICAL 98
    • TI-2020-12621 Out-of-bounds write in Google ChromePriority CRITICAL 97
    • TI-2020-12618 Out-of-bounds write in Google ChromePriority MEDIUM 41
    Show all 6 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2020:4974
Red Hat Enterprise Linux HPC Node Supplementary (v. 6)Fixed RHSA-2020:4974
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2020:4974
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2020:4974

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-16008
  2. 2026-10-03 Alias added: GHSA-xvqc-4q7g-qm76

References

Advisory 8

  • 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