Use after free in Google Chrome
Priority MEDIUM 42CWE-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
- Partial Red Hat: 21 fixed, 1 without a fix
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 WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Why it matters now
EPSS 0.0174 77th percentileScored 2026-11-07
Fix Partial Chrome (Google): 86.0.4240.75Red Hat: 12 advisoriesRed Hat: 21 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chrome | before 86.0.4240.75 | 86.0.4240.75 | Patch available | CNA |
- Chrome VendorGoogle Affected before 86.0.4240.75 Fixed in 86.0.4240.75 Patch available CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | before 86.0.4240.75 | Vulnerable | |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | 31 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 32 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
| cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* | 15.0 sp2 | Vulnerable | openSUSE |
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 14.0.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 14.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 14.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | before 11.1 | Vulnerable | Apple |
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 86.0.4240.75 Vulnerable ·Google
- 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:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
- cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* Versions 15.0 sp2 Vulnerable ·openSUSE
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 14.0.2 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 11.1 Vulnerable ·Apple
Remediation
- Fix · CNA Chrome (Google) Fixed in 86.0.4240.75
Red Hat 12 advisories
- RHSA-2020:4947 Released 2020-11-05 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-78.4.0-1.el6_10
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-78.4.0-1.el6_10
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-78.4.0-1.el6_10
- RHSA-2020:4945 Released 2020-11-05 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v. 8.1) thunderbird-78.4.0-1.el8_1
- RHSA-2020:4944 Released 2020-11-05 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v. 8.0) thunderbird-78.4.0-1.el8_0
Show 9 more Red Hat advisories
- RHSA-2020:4948 Released 2020-11-05 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v. 8.2) thunderbird-78.4.0-1.el8_2
- RHSA-2020:4909 Released 2020-11-04 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-78.4.0-1.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-78.4.0-1.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-78.4.0-1.el7_9
- RHSA-2020:4913 Released 2020-11-04 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-78.4.0-1.el8_3
- RHSA-2020:4330 Released 2020-10-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Desktop (v. 6) firefox-78.4.0-2.el6_10
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-78.4.0-2.el6_10
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-78.4.0-2.el6_10
- Red Hat Enterprise Linux Server (v. 6) firefox-78.4.0-2.el6_10
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-78.4.0-2.el6_10
- Red Hat Enterprise Linux Workstation (v. 6) firefox-78.4.0-2.el6_10
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-78.4.0-2.el6_10
- RHSA-2020:4317 Released 2020-10-22 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-78.4.0-1.el8_2
- RHSA-2020:4315 Released 2020-10-22 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v. 8.1) firefox-78.4.0-1.el8_1
- RHSA-2020:4310 Released 2020-10-22 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-78.4.0-1.el7_9
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-78.4.0-1.el7_9
- Red Hat Enterprise Linux Server (v. 7) firefox-78.4.0-1.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-78.4.0-1.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) firefox-78.4.0-1.el7_9
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-78.4.0-1.el7_9
- RHSA-2020:4311 Released 2020-10-22 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream E4S (v. 8.0) firefox-78.4.0-1.el8_0
- RHSA-2020:4235 Released 2020-10-13 · Red Hat rating Criticalchromium-browser security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-86.0.4240.75-1.el6_10
- Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-86.0.4240.75-1.el6_10
- Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-86.0.4240.75-1.el6_10
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-86.0.4240.75-1.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
- 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-2020-12618 Out-of-bounds write in Google ChromePriority MEDIUM 41
Show 2 more groups
- Advisory ·
Google Chrome — FEDORA-2020-8aca25b5c8
31 records Highest priority Priority MEDIUM 19 MEDIUM, 12 LOW
Other records, highest priority first
- TI-2020-12584 Use after free in Google ChromePriority MEDIUM 43
- TI-2020-12615 Use after free in Google ChromePriority MEDIUM 41
- TI-2020-12614 Use after free in Google ChromePriority MEDIUM 41
- Advisory ·
Google Chrome — FEDORA-2020-127d40f1ab
31 records Highest priority Priority MEDIUM 19 MEDIUM, 12 LOW
Other records, highest priority first
- TI-2020-12584 Use after free in Google ChromePriority MEDIUM 43
- TI-2020-12615 Use after free in Google ChromePriority MEDIUM 41
- TI-2020-12614 Use after free in Google ChromePriority MEDIUM 41
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2020:4317, RHSA-2020:4913 |
| Red Hat Enterprise Linux AppStream E4S (v. 8.0) | Fixed | RHSA-2020:4311, RHSA-2020:4944 |
| Red Hat Enterprise Linux AppStream EUS (v. 8.1) | Fixed | RHSA-2020:4315, RHSA-2020:4945 |
| Red Hat Enterprise Linux AppStream EUS (v. 8.2) | Fixed | RHSA-2020:4948 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2020:4310, RHSA-2020:4909 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2020:4310 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2020:4330, RHSA-2020:4947 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2020:4330 |
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2020:4235 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2020:4330 |
| Red Hat Enterprise Linux HPC Node Supplementary (v. 6) | Fixed | RHSA-2020:4235 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2020:4330 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2020:4310 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2020:4330, RHSA-2020:4947 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2020:4310, RHSA-2020:4909 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2020:4235 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2020:4330, RHSA-2020:4947 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:4310, RHSA-2020:4909 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2020:4330 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2020:4310 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2020:4235 |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15969
- 2026-10-03 Alias added: GHSA-4932-9h4w-23jv
References
Advisory 18
- https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html
- https://crbug.com/1124659
- openSUSE-SU-2020:1829
- FEDORA-2020-127d40f1ab
- FEDORA-2020-8aca25b5c8
- FEDORA-2020-4e8e48da22
- https://support.apple.com/kb/HT212009
- https://support.apple.com/kb/HT212011
- https://support.apple.com/kb/HT212005
- https://support.apple.com/kb/HT212003
- https://support.apple.com/kb/HT212007
- 20201215 APPLE-SA-2020-12-14-5 watchOS 7.2
- 20201215 APPLE-SA-2020-12-14-8 Safari 14.0.2
- 20201215 APPLE-SA-2020-12-14-1 iOS 14.3 and iPadOS 14.3
- 20201215 APPLE-SA-2020-12-14-3 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave
- 20201215 APPLE-SA-2020-12-14-7 tvOS 14.3
- DSA-4824
- GLSA-202101-30
More Google Chrome vulnerabilities
- 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
Sources
- CVE-2020-15969 · CVE Program
- CVE-2020-15969 · NVD
- FIRST EPSS
- GHSA-4932-9h4w-23jv · GitHub Advisory Database · CC BY 4.0
- CVE-2020-15969 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences