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TI-2020-12611 Aliases CVE-2020-15999GHSA-pv36-h7jh-qm62

Buffer overflow in Google Chrome

Priority CRITICAL 98Exploited in the wildCWE-120Published · 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 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-120 and the CVSS impact.

Summary

Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Why it matters now

Exploitation Active In CISA KEV since 2021-11-03CISA due date 2021-11-17
EPSS 0.63894 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Chrome (Google): 86.0.4240.111CefSharp.Common (NuGet): 85.3.130+3 more productsRed Hat: 6 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromebefore 86.0.4240.11186.0.4240.111Patch availableCNA
—CefSharp.Common (NuGet)before 85.3.13085.3.130Patch availableGHSA-pv36-h7jh-qm62
—CefSharp.Wpf (NuGet)before 85.3.13085.3.130Patch availableGHSA-pv36-h7jh-qm62
—CefSharp.WinForms (NuGet)before 85.3.13085.3.130Patch availableGHSA-pv36-h7jh-qm62
—CefSharp.Wpf.HwndHost (NuGet)before 85.3.13085.3.130Patch availableGHSA-pv36-h7jh-qm62
  • Chrome VendorGoogle Affected before 86.0.4240.111 Fixed in 86.0.4240.111 Patch available CNA
  • CefSharp.Common (NuGet) Vendor— Affected before 85.3.130 Fixed in 85.3.130 Patch available GHSA-pv36-h7jh-qm62
  • CefSharp.Wpf (NuGet) Vendor— Affected before 85.3.130 Fixed in 85.3.130 Patch available GHSA-pv36-h7jh-qm62
  • CefSharp.WinForms (NuGet) Vendor— Affected before 85.3.130 Fixed in 85.3.130 Patch available GHSA-pv36-h7jh-qm62
  • CefSharp.Wpf.HwndHost (NuGet) Vendor— Affected before 85.3.130 Fixed in 85.3.130 Patch available GHSA-pv36-h7jh-qm62

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 86.0.4240.111VulnerableGoogle
cpe:2.3:a:freetype:freetype:*:*:*:*:*:*:*:*2.6.0 to before 2.10.4VulnerableFreeType
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*15.0 sp2VulnerableopenSUSE
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 86.0.4240.111 Vulnerable ·Google
  • cpe:2.3:a:freetype:freetype:*:*:*:*:*:*:*:* Versions 2.6.0 to before 2.10.4 Vulnerable ·FreeType
  • 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:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* Versions 15.0 sp2 Vulnerable ·openSUSE
  • cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp

Remediation

  • Fix · CNA Chrome (Google) Fixed in 86.0.4240.111
  • Fix · GHSA-pv36-h7jh-qm62 CefSharp.Common (NuGet) Fixed in 85.3.130 Advisory →
  • Fix · GHSA-pv36-h7jh-qm62 CefSharp.Wpf (NuGet) Fixed in 85.3.130 Advisory →
  • Fix · GHSA-pv36-h7jh-qm62 CefSharp.WinForms (NuGet) Fixed in 85.3.130 Advisory →
  • Fix · GHSA-pv36-h7jh-qm62 CefSharp.Wpf.HwndHost (NuGet) Fixed in 85.3.130 Advisory →

Red Hat 6 advisories

  • RHSA-2020:4951 Released 2020-11-05 · Red Hat rating Important
    freetype security update
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) freetype-2.9.1-4.el8_2.1, freetype-devel-2.9.1-4.el8_2.1
  • RHSA-2020:4952 Released 2020-11-05 · Red Hat rating Important
    freetype security update
    • Red Hat Enterprise Linux BaseOS (v. 8) freetype-2.9.1-4.el8_3.1, freetype-devel-2.9.1-4.el8_3.1
  • RHSA-2020:4950 Released 2020-11-05 · Red Hat rating Important
    freetype security update
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.1) freetype-2.9.1-4.el8_1.1, freetype-devel-2.9.1-4.el8_1.1
Show 3 more Red Hat advisories
  • RHSA-2020:4949 Released 2020-11-05 · Red Hat rating Important
    freetype security update
    • Red Hat Enterprise Linux BaseOS E4S (v. 8.0) freetype-2.9.1-4.el8_0.1, freetype-devel-2.9.1-4.el8_0.1
  • RHSA-2020:4907 Released 2020-11-04 · Red Hat rating Important
    freetype security update
    • Red Hat Enterprise Linux Client (v. 7) freetype-2.8-14.el7_9.1
    • Red Hat Enterprise Linux Client Optional (v. 7) freetype-demos-2.8-14.el7_9.1, freetype-devel-2.8-14.el7_9.1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) freetype-demos-2.8-14.el7_9.1, freetype-devel-2.8-14.el7_9.1
    • Red Hat Enterprise Linux Server (v. 7) freetype-2.8-14.el7_9.1, freetype-2.8-14.el7_9.1.ppc, freetype-devel-2.8-14.el7_9.1 +1
    • Red Hat Enterprise Linux Server Optional (v. 7) freetype-demos-2.8-14.el7_9.1
    • Red Hat Enterprise Linux Workstation (v. 7) freetype-2.8-14.el7_9.1, freetype-devel-2.8-14.el7_9.1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) freetype-demos-2.8-14.el7_9.1
  • RHSA-2020:4351 Released 2020-10-26 · Red Hat rating Important
    chromium-browser security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-86.0.4240.111-1.el6_10
    • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-86.0.4240.111-1.el6_10
    • Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-86.0.4240.111-1.el6_10
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-86.0.4240.111-1.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-2020-12621 Out-of-bounds write in Google ChromePriority CRITICAL 97
    • TI-2020-12623 Out-of-bounds write in Google ChromePriority MEDIUM 46
    • TI-2020-12584 Use after free in Google ChromePriority MEDIUM 43
    Show all 39 records → Advisory →
  • Advisory ·

    Google Chrome — GLSA-202011-12

    6 records Highest priority Priority CRITICAL 2 CRITICAL, 4 MEDIUM

    Other records, highest priority first

    • TI-2020-12621 Out-of-bounds write in Google ChromePriority CRITICAL 97
    • TI-2020-12618 Out-of-bounds write in Google ChromePriority MEDIUM 41
    • TI-2020-12617 Improper handling of exceptional conditions 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 BaseOS (v. 8)Fixed RHSA-2020:4952
Red Hat Enterprise Linux BaseOS E4S (v. 8.0)Fixed RHSA-2020:4949
Red Hat Enterprise Linux BaseOS EUS (v. 8.1)Fixed RHSA-2020:4950
Red Hat Enterprise Linux BaseOS EUS (v. 8.2)Fixed RHSA-2020:4951
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2020:4907
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:4907
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:4907
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2020:4351
Red Hat Enterprise Linux HPC Node Supplementary (v. 6)Fixed RHSA-2020:4351
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:4907
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:4907
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2020:4351
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:4907
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:4907
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2020:4351
Not affected: 3 products
  • Red Hat Advanced Cluster Management for Kubernetes 2
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2021-11-03 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2020-15999
  3. 2026-10-03 Alias added: GHSA-pv36-h7jh-qm62
  4. 2026-10-04 EPSS moved to the 99th percentile and above

References

Exploit 2

Advisory 10

Other 9

  • 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