Read the docs
TI-2020-05284 Aliases CVE-2020-6434GHSA-whgf-v8g5-7cgx

Use after free in Google Chrome

Priority MEDIUM 41CWE-416Published · 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-416 and the CVSS impact.

Summary

Use after free in devtools in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Why it matters now

EPSS 0.01702 77th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Chrome (Google): 81.0.4044.92Red Hat: 1 advisory

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromebefore 81.0.4044.9281.0.4044.92Patch availableCNA
  • Chrome VendorGoogle Affected before 81.0.4044.92 Fixed in 81.0.4044.92 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 81.0.4044.92VulnerableGoogle
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*32VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*15.0 sp1VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 81.0.4044.92 Vulnerable ·Google
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • 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:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* Versions 15.0 sp1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE

Remediation

  • Fix · CNA Chrome (Google) Fixed in 81.0.4044.92

Red Hat 1 advisory

  • RHSA-2020:1487 Released 2020-04-16 · Red Hat rating Important
    chromium-browser security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-81.0.4044.92-2.el6_10
    • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-81.0.4044.92-2.el6_10
    • Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-81.0.4044.92-2.el6_10
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-81.0.4044.92-2.el6_10

Fixed in the same release

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

  • Advisory ·

    Google Chrome — openSUSE-SU-2020:0519

    26 records Highest priority Priority MEDIUM 13 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2020-05305 Out-of-bounds read in Google ChromePriority MEDIUM 42
    • TI-2020-05302 Out-of-bounds write in Google ChromePriority MEDIUM 42
    • TI-2020-05298 Use after free in Google ChromePriority MEDIUM 42
  • Advisory ·

    Google Chrome — openSUSE-SU-2020:0540

    26 records Highest priority Priority MEDIUM 13 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2020-05305 Out-of-bounds read in Google ChromePriority MEDIUM 42
    • TI-2020-05302 Out-of-bounds write in Google ChromePriority MEDIUM 42
    • TI-2020-05298 Use after free in Google ChromePriority MEDIUM 42
Show 3 more groups
  • Advisory ·

    Google Chrome — FEDORA-2020-b82a634e27

    23 records Highest priority Priority MEDIUM 10 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2020-05305 Out-of-bounds read in Google ChromePriority MEDIUM 42
    • TI-2020-05298 Use after free in Google ChromePriority MEDIUM 42
    • TI-2020-05297 Out-of-bounds read in Google ChromePriority MEDIUM 42
  • Advisory ·

    Google Chrome — FEDORA-2020-0e7f1b663b

    23 records Highest priority Priority MEDIUM 10 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2020-05305 Out-of-bounds read in Google ChromePriority MEDIUM 42
    • TI-2020-05298 Use after free in Google ChromePriority MEDIUM 42
    • TI-2020-05297 Out-of-bounds read in Google ChromePriority MEDIUM 42
  • Advisory ·

    Google Chrome — FEDORA-2020-da49fbb17c

    23 records Highest priority Priority MEDIUM 10 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2020-05305 Out-of-bounds read in Google ChromePriority MEDIUM 42
    • TI-2020-05298 Use after free in Google ChromePriority MEDIUM 42
    • TI-2020-05297 Out-of-bounds read in Google ChromePriority MEDIUM 42

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-2020:1487
Red Hat Enterprise Linux HPC Node Supplementary (v. 6)Fixed RHSA-2020:1487
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2020:1487
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2020:1487

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-6434
  2. 2026-10-03 Alias added: GHSA-whgf-v8g5-7cgx

References

  • 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