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CVE-2020-6542

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to...

8.8 HighFix available

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.03%Up 1.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Record
CVE-2020-6542
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-416, CWE-787
Updated
2026-11-02
CVE List No score

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Record
CVE-2020-6542
Updated
2026-11-02
EUVDEUVD-2020-27691 No score

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Record
EUVD-2020-27691
Updated
2026-11-03
GitHub AdvisoriesGHSA-f384-j97r-h7rp No score

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to...

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Record
GHSA-f384-j97r-h7rp
Weakness
CWE-416
Updated
2026-11-02
OSV 8.8

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Record
CVE-2020-6542
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-6542 8.8

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Record
DEBIAN-CVE-2020-6542
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 9 moreShow less
OSVRHSA-2020:3560 8.8

Red Hat Security Advisory: chromium-browser security update

Record
RHSA-2020:3560
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-6542 8.8

Use after free in ANGLE in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Record
UBUNTU-CVE-2020-6542
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2020:1206-1 No score

Security update for chromium

This update for chromium fixes the following issues:

  • Chromium updated to 84.0.4147.125 (boo#1175085)

    • CVE-2020-6542: Use after free in ANGLE
    • CVE-2020-6543: Use after free in task scheduling
    • CVE-2020-6544: Use after free in media
    • CVE-2020-6545: Use after free in audio
    • CVE-2020-6546: Inappropriate implementation in installer
    • CVE-2020-6547: Incorrect security UI in media
    • CVE-2020-6548: Heap buffer overflow in Skia
    • CVE-2020-6549: Use after free in media
    • CVE-2020-6550: Use after free in IndexedDB
    • CVE-2020-6551: Use after free in WebXR
    • CVE-2020-6552: Use after free in Blink
    • CVE-2020-6553: Use after free in offline mode
    • CVE-2020-6554: Use after free in extensions
    • CVE-2020-6555: Out of bounds read in WebGL
    • Various fixes from internal audits, fuzzing and other initiatives

  • Disable wayland everywhere as it breaks headless and middle mouse copy everywhere: boo#1174497 boo#1175044

Record
openSUSE-SU-2020:1206-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1214-1 No score

Security update for chromium

This update for chromium fixes the following issues:

  • Chromium updated to 84.0.4147.125 (boo#1175085)

    • CVE-2020-6542: Use after free in ANGLE
    • CVE-2020-6543: Use after free in task scheduling
    • CVE-2020-6544: Use after free in media
    • CVE-2020-6545: Use after free in audio
    • CVE-2020-6546: Inappropriate implementation in installer
    • CVE-2020-6547: Incorrect security UI in media
    • CVE-2020-6548: Heap buffer overflow in Skia
    • CVE-2020-6549: Use after free in media
    • CVE-2020-6550: Use after free in IndexedDB
    • CVE-2020-6551: Use after free in WebXR
    • CVE-2020-6552: Use after free in Blink
    • CVE-2020-6553: Use after free in offline mode
    • CVE-2020-6554: Use after free in extensions
    • CVE-2020-6555: Out of bounds read in WebGL
    • Various fixes from internal audits, fuzzing and other initiatives

  • Disable wayland everywhere as it breaks headless and middle mouse copy everywhere: boo#1174497 boo#1175044

This update was imported from the openSUSE:Leap:15.1:Update update project.

Record
openSUSE-SU-2020:1214-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1215-1 No score

Security update for chromium

This update for chromium fixes the following issues:

  • Chromium updated to 84.0.4147.125 (boo#1175085)

    • CVE-2020-6542: Use after free in ANGLE
    • CVE-2020-6543: Use after free in task scheduling
    • CVE-2020-6544: Use after free in media
    • CVE-2020-6545: Use after free in audio
    • CVE-2020-6546: Inappropriate implementation in installer
    • CVE-2020-6547: Incorrect security UI in media
    • CVE-2020-6548: Heap buffer overflow in Skia
    • CVE-2020-6549: Use after free in media
    • CVE-2020-6550: Use after free in IndexedDB
    • CVE-2020-6551: Use after free in WebXR
    • CVE-2020-6552: Use after free in Blink
    • CVE-2020-6553: Use after free in offline mode
    • CVE-2020-6554: Use after free in extensions
    • CVE-2020-6555: Out of bounds read in WebGL
    • Various fixes from internal audits, fuzzing and other initiatives

  • Disable wayland everywhere as it breaks headless and middle mouse copy everywhere: boo#1174497 boo#1175044

This update was imported from the openSUSE:Leap:15.2:Update update project.

Record
openSUSE-SU-2020:1215-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1320-1 No score

Security update for opera

This update for opera fixes the following issues:

Update to version 70.0.3728.133

  • CHR-8053 Update chromium on desktop-stable-84-3728 to 84.0.4147.125

  • DNA-87289 Crash at views::NativeWidgetMacNSWindowHost:: OnNativeViewHostDetach(views::View const*)

  • DNA-87831 [Linux] Sidebar panel cannot be pinned

  • DNA-88057 [Win] Black rectangle flickers at the bottom of the page on startup

  • DNA-88157 Sidebar Messenger too low in FullScreen mode

  • DNA-88238 [macOS 10.15] Toolbar buttons not visible on inactive tab

  • The update to chromium 84.0.4147.125 fixes following issues:

    • CVE-2020-6542, CVE-2020-6543, CVE-2020-6544, CVE-2020-6545, CVE-2020-6546, CVE-2020-6547, CVE-2020-6548, CVE-2020-6549, CVE-2020-6550, CVE-2020-6551, CVE-2020-6552, CVE-2020-6553, CVE-2020-6554, CVE-2020-6555

  • Update to version 70.0.3728.119

    • DNA-88215 Introduce easy-setup-hint-ref feature flag

  • Update to version 70.0.3728.106

    • DNA-88014 [Mac] Toolbar in fullscreen disabled after using fullscreen from videoplayer

  • Update to version 70.0.3728.95

    • CHR-8026 Update chromium on desktop-stable-84-3728 to 84.0.4147.105
    • DNA-86340 Wrong link to the help page
    • DNA-87394 [Big Sur] Some popovers have incorrectly themed arrow
    • DNA-87647 [Win] The [+] button flickers after creating a new tab
    • DNA-87794 Crash at aura::Window::SetVisible(bool)
    • DNA-87796 Search in tabs should closed on second click
    • DNA-87863 Parameter placing issue in all languages

  • The update to chromium 84.0.4147.105 fixes following issues:

    • CVE-2020-6537, CVE-2020-6538, CVE-2020-6532, CVE-2020-6539, CVE-2020-6540, CVE-2020-6541
Record
openSUSE-SU-2020:1320-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1324-1 No score

Security update for opera

This update for opera fixes the following issues:

Update to version 70.0.3728.133

  • CHR-8053 Update chromium on desktop-stable-84-3728 to 84.0.4147.125

  • DNA-87289 Crash at views::NativeWidgetMacNSWindowHost:: OnNativeViewHostDetach(views::View const*)

  • DNA-87831 [Linux] Sidebar panel cannot be pinned

  • DNA-88057 [Win] Black rectangle flickers at the bottom of the page on startup

  • DNA-88157 Sidebar Messenger too low in FullScreen mode

  • DNA-88238 [macOS 10.15] Toolbar buttons not visible on inactive tab

  • The update to chromium 84.0.4147.125 fixes following issues:

    • CVE-2020-6542, CVE-2020-6543, CVE-2020-6544, CVE-2020-6545, CVE-2020-6546, CVE-2020-6547, CVE-2020-6548, CVE-2020-6549, CVE-2020-6550, CVE-2020-6551, CVE-2020-6552, CVE-2020-6553, CVE-2020-6554, CVE-2020-6555

  • Update to version 70.0.3728.119

    • DNA-88215 Introduce easy-setup-hint-ref feature flag

  • Update to version 70.0.3728.106

    • DNA-88014 [Mac] Toolbar in fullscreen disabled after using fullscreen from videoplayer

  • Update to version 70.0.3728.95

    • CHR-8026 Update chromium on desktop-stable-84-3728 to 84.0.4147.105
    • DNA-86340 Wrong link to the help page
    • DNA-87394 [Big Sur] Some popovers have incorrectly themed arrow
    • DNA-87647 [Win] The [+] button flickers after creating a new tab
    • DNA-87794 Crash at aura::Window::SetVisible(bool)
    • DNA-87796 Search in tabs should closed on second click
    • DNA-87863 Parameter placing issue in all languages

  • The update to chromium 84.0.4147.105 fixes following issues:

    • CVE-2020-6537, CVE-2020-6538, CVE-2020-6532, CVE-2020-6539, CVE-2020-6540, CVE-2020-6541
Record
openSUSE-SU-2020:1324-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10681-1 No score

chromedriver-93.0.4577.82-1.1 on GA media

These are all security issues fixed in the chromedriver-93.0.4577.82-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10681-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:12948-1 No score

ungoogled-chromium-113.0.5672.92-1.1 on GA media

These are all security issues fixed in the ungoogled-chromium-113.0.5672.92-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12948-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
chromium
Debian:12
 before 87.0.4280.88-0.1
87.0.4280.88-0.1
chromium
Debian:13
 before 87.0.4280.88-0.1
87.0.4280.88-0.1
chromium
Debian:14
 before 87.0.4280.88-0.1
87.0.4280.88-0.1
chromium
Debian:10
From an advisory covering 140 CVEs
 before 87.0.4280.88-0.4~deb10u1, plus listed versions
73.0.3683.75-174.0.3729.108-175.0.3770.10-175.0.3770.80-175.0.3770.90-1
Show 42 moreShow less
76.0.3809.100-176.0.3809.100-1~deb10u176.0.3809.62-176.0.3809.71-176.0.3809.87-176.0.3809.87-278.0.3904.108-178.0.3904.108-1~deb10u178.0.3904.87-178.0.3904.97-178.0.3904.97-1~deb10u179.0.3945.130-179.0.3945.130-1~deb10u179.0.3945.130-279.0.3945.56-179.0.3945.79-180.0.3987.106-180.0.3987.116-180.0.3987.122-180.0.3987.122-280.0.3987.132-180.0.3987.132-1~deb10u180.0.3987.149-180.0.3987.149-1~deb10u180.0.3987.162-180.0.3987.162-1~deb10u181.0.4044.62-181.0.4044.92-183.0.4103.106-183.0.4103.116-183.0.4103.116-1~deb10u183.0.4103.116-1~deb10u283.0.4103.116-1~deb10u383.0.4103.116-283.0.4103.116-383.0.4103.116-3.183.0.4103.83-184.0.4147.105-184.0.4147.89-187.0.4280.88-0.187.0.4280.88-0.287.0.4280.88-0.3
87.0.4280.88-0.4~deb10u1
chromium-browser
Red Hat:rhel_extras:6
From an advisory covering 15 CVEs
 before 0:84.0.4147.135-1.el6_10
0:84.0.4147.135-1.el6_10
chromium-browser-debuginfo
Red Hat:rhel_extras:6
From an advisory covering 15 CVEs
 before 0:84.0.4147.135-1.el6_10
0:84.0.4147.135-1.el6_10
chromium-browser
Ubuntu:16.04:LTS
 before 85.0.4183.83-0ubuntu0.16.04.2, plus listed versions
45.0.2454.101-0ubuntu1.120147.0.2526.73-0ubuntu1.121847.0.2526.106-0ubuntu1.122148.0.2564.82-0ubuntu1.122248.0.2564.116-0ubuntu1.1229
Show 45 moreShow less
49.0.2623.87-0ubuntu1.123249.0.2623.108-0ubuntu1.123350.0.2661.102-0ubuntu0.16.04.1.123751.0.2704.79-0ubuntu0.16.04.1.124252.0.2743.116-0ubuntu0.16.04.1.125053.0.2785.143-0ubuntu0.16.04.1.125453.0.2785.143-0ubuntu0.16.04.1.125755.0.2883.87-0ubuntu0.16.04.126356.0.2924.76-0ubuntu0.16.04.126857.0.2987.98-0ubuntu0.16.04.127658.0.3029.81-0ubuntu0.16.04.127758.0.3029.96-0ubuntu0.16.04.127958.0.3029.110-0ubuntu0.16.04.128159.0.3071.109-0ubuntu0.16.04.128959.0.3071.109-0ubuntu0.16.04.129160.0.3112.78-0ubuntu0.16.04.129360.0.3112.113-0ubuntu0.16.04.129861.0.3163.79-0ubuntu0.16.04.130061.0.3163.100-0ubuntu0.16.04.130662.0.3202.62-0ubuntu0.16.04.130862.0.3202.75-0ubuntu0.16.04.131362.0.3202.89-0ubuntu0.16.04.131562.0.3202.94-0ubuntu0.16.04.131763.0.3239.84-0ubuntu0.16.04.163.0.3239.132-0ubuntu0.16.04.164.0.3282.119-0ubuntu0.16.04.164.0.3282.140-0ubuntu0.16.04.164.0.3282.167-0ubuntu0.16.04.165.0.3325.181-0ubuntu0.16.04.166.0.3359.139-0ubuntu0.16.04.366.0.3359.181-0ubuntu0.16.04.167.0.3396.99-0ubuntu0.16.04.268.0.3440.75-0ubuntu0.16.04.168.0.3440.106-0ubuntu0.16.04.169.0.3497.81-0ubuntu0.16.04.170.0.3538.67-0ubuntu0.16.04.170.0.3538.77-0ubuntu0.16.04.170.0.3538.110-0ubuntu0.16.04.171.0.3578.80-0ubuntu0.16.04.171.0.3578.98-0ubuntu0.16.04.172.0.3626.119-0ubuntu0.16.04.172.0.3626.121-0ubuntu0.16.04.173.0.3683.75-0ubuntu0.16.04.173.0.3683.86-0ubuntu0.16.04.174.0.3729.169-0ubuntu0.16.04.1
85.0.4183.83-0ubuntu0.16.04.2
chromium-browser
Ubuntu:18.04:LTS
 before 85.0.4183.83-0ubuntu0.18.04.2, plus listed versions
61.0.3163.100-0ubuntu1.137862.0.3202.62-0ubuntu0.17.10.138062.0.3202.89-0ubuntu1.138662.0.3202.94-0ubuntu1.138863.0.3239.84-0ubuntu1
Show 39 moreShow less
63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.168.0.3440.75-0ubuntu0.18.04.168.0.3440.106-0ubuntu0.18.04.169.0.3497.81-0ubuntu0.18.04.170.0.3538.67-0ubuntu0.18.04.170.0.3538.77-0ubuntu0.18.04.170.0.3538.110-0ubuntu0.18.04.171.0.3578.80-0ubuntu0.18.04.171.0.3578.98-0ubuntu0.18.04.172.0.3626.119-0ubuntu0.18.04.172.0.3626.121-0ubuntu0.18.04.173.0.3683.75-0ubuntu0.18.04.173.0.3683.86-0ubuntu0.18.04.174.0.3729.169-0ubuntu0.18.04.175.0.3770.90-0ubuntu0.18.04.175.0.3770.142-0ubuntu0.18.04.176.0.3809.87-0ubuntu0.18.04.176.0.3809.100-0ubuntu0.18.04.177.0.3865.90-0ubuntu0.18.04.178.0.3904.70-0ubuntu0.18.04.278.0.3904.97-0ubuntu0.18.04.178.0.3904.108-0ubuntu0.18.04.179.0.3945.79-0ubuntu0.18.04.179.0.3945.130-0ubuntu0.18.04.180.0.3987.87-0ubuntu0.18.04.180.0.3987.149-0ubuntu0.18.04.180.0.3987.163-0ubuntu0.18.04.181.0.4044.122-0ubuntu0.18.04.181.0.4044.138-0ubuntu0.18.04.183.0.4103.61-0ubuntu0.18.04.184.0.4147.105-0ubuntu0.18.04.1
85.0.4183.83-0ubuntu0.18.04.2
chromium
openSUSE:Leap 15.1
From an advisory covering 14 CVEs
 before 84.0.4147.125-lp152.2.12.2
84.0.4147.125-lp152.2.12.2
chromium
openSUSE:Leap 15.2
From an advisory covering 14 CVEs
 before 84.0.4147.125-lp152.2.12.2
84.0.4147.125-lp152.2.12.2
Show 6 moreShow less
Affected packages
PackageAffectedFixed
chromium
SUSE:Package Hub 15 SP1
From an advisory covering 14 CVEs
 before 84.0.4147.125-bp151.3.100.1
84.0.4147.125-bp151.3.100.1
chromium
SUSE:Package Hub 15 SP2
From an advisory covering 14 CVEs
 before 84.0.4147.125-bp152.2.13.1
84.0.4147.125-bp152.2.13.1
opera
openSUSE:Leap 15.1 NonFree
From an advisory covering 20 CVEs
 before 70.0.3728.133-lp151.2.27.1
70.0.3728.133-lp151.2.27.1
opera
openSUSE:Leap 15.2 NonFree
From an advisory covering 20 CVEs
 before 70.0.3728.133-lp152.2.15.1
70.0.3728.133-lp152.2.15.1
chromium
openSUSE:Tumbleweed
From an advisory covering 1081 CVEs
 before 93.0.4577.82-1.1
93.0.4577.82-1.1
chromium
openSUSE:Tumbleweed
From an advisory covering 2310 CVEs
 before 113.0.5672.92-1.1
113.0.5672.92-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-6542 is a high vulnerability (CVSS 8.8) in Google Chrome, published August 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.03%, the 81st percentile. Fixed in chromium 87.0.4280.88-0.1.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 14 versions and 2,192 references. The JSON record has them.

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