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CVE-2020-6461

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who...

9.6 CriticalFix available

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape 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

1.21%Up 0.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.6

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Record
CVE-2020-6461
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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
Updated
2026-11-02
CVE List No score

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Record
CVE-2020-6461
Updated
2026-11-02
EUVDEUVD-2020-27611 No score

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Record
EUVD-2020-27611
Updated
2026-11-03
GitHub AdvisoriesGHSA-2chh-qcxj-m24m 9.6

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who...

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Record
GHSA-2chh-qcxj-m24m
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness
CWE-416
Updated
2026-11-02
OSV 9.6

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Record
CVE-2020-6461
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-6461 9.6

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Record
DEBIAN-CVE-2020-6461
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVRHSA-2020:1981 8.8

Red Hat Security Advisory: chromium-browser security update

Record
RHSA-2020:1981
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-6461 9.6

Use after free in storage in Google Chrome prior to 81.0.4044.129 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Record
UBUNTU-CVE-2020-6461
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2020-0198 No score

Updated chromium-browser-stable packages fix security vulnerabilities

Chromium-browser 81.0.4044.129 fixes security issues:

Multiple flaws were found in the way Chromium 81.0.4044.122 processes various types of web content, where loading a web page containing malicious content could cause Chromium to crash, execute arbitrary code, or disclose sensitive information. (CVE-2020-6461, CVE-2020-6462)

Record
MGASA-2020-0198
Updated
2026-11-02
OSVopenSUSE-SU-2020:0635-1 No score

Security update for opera

This update for opera fixes the following issues:

Opera was updated to version 68.0.3618.63

  • CHR-7889 Update chromium on desktop-stable-81-3618 to 81.0.4044.122

  • CHR-7896 Update chromium on desktop-stable-81-3618 to 81.0.4044.129

  • DNA-85287 Set standard spacing for Yandex prompt

  • DNA-85416 [Mac] Animation of tab insert is glitchy on slow machines

  • DNA-85568 Verify API for triggering “unread” mode with Instagram.

  • DNA-86027 Present Now not working in google meet after canceling it once

  • DNA-86028 Add a back and forward button in the Instagram panel

  • DNA-86029 Investigate and implement re-freshing of the instagram panel content

  • Update chromium to 81.0.4044.122 fixes CVE-2020-6458, CVE-2020-6459, CVE-2020-6460

  • Update chromium to 81.0.4044.129 fixes CVE-2020-6461, CVE-2020-6462

Update to version 68.0.3618.56

  • DNA-85256 [Win] Cookies section on site pages is white in dark mode
  • DNA-85474 [Mac] Dragging tabs to the left with hidden sidebar is broken
  • DNA-85771 DNS-over-HTTPS example in settings is wrong
  • DNA-85976 Change page display time when navigating from opera:startpage
  • CHR-7878 Update chromium on desktop-stable-81-3618 to 81.0.4044.113 (CVE-2020-6457)
  • DNA-78158 PATCH-1272 should be removed
  • DNA-84721 Weather widget is overlapped when ‘Use bigger tiles’
  • DNA-85246 Implement 0-state dialog and onboarding
  • DNA-85354 O-menu is misplaced when opened with maximized opera
  • DNA-85405 Add link to Privacy Policy on the 0-state dialog
  • DNA-85409 Ask for geolocation EULA once
  • DNA-85426 Crash at opera::DownloadActionButton::Update()
  • DNA-85454 Add id’s to elements for testing
  • DNA-85493 Add “Show Weather” toggle to “Start Page” section in Easy Setup
  • DNA-85501 Set timestamps in geolocation exception record
  • DNA-85514 Add fallback when geolocation fails
  • DNA-85713 Report consent for geolocation on start page
  • DNA-85753 Fetch news configuration from new endpoint
  • DNA-85798 Incorrect padding in Search in Tabs window
  • DNA-85801 Disable notification on instagram panel
  • DNA-85809 Update instagram icon in the Sidebar Setup
  • DNA-85854 Change Instagram panel size, to fit desktop version
  • Complete Opera 68.0 changelog at: https://blogs.opera.com/desktop/changelog-for-68/

Update to version 67.0.3575.137

  • CHR-7852 Update chromium on desktop-stable-80-3575 to 80.0.3987.163
  • DNA-82540 Crash at remote_cocoa::NativeWidgetNSWindowBridge:: SetVisibilityState(remote_cocoa::mojom::WindowVisibilityState)
  • DNA-84951 New PiP is completely black for some 2 GPU setups
  • DNA-85284 Chrome “Open link in same tab, pop-up as tab [Free]” extension is no longer working in Opera
  • DNA-85415 [Mac] Inspect Popup not working
  • DNA-85530 Create API for displaying and triggering “unread” mode for messengers from in-app
  • DNA-85537 Let addons.opera.com interact with sidebar messengers

Update to version 67.0.3575.115

  • CHR-7833 Update chromium on desktop-stable-80-3575 to 80.0.3987.149
  • DNA-74423 [Mac] Search/Copy popup stuck on top left of screen
  • DNA-82975 Crash at blink::DocumentLifecycle::EnsureStateAtMost (blink::DocumentLifecycle::LifecycleState)
  • DNA-83834 Crash at base::MessagePumpNSApplication:: DoRun (base::MessagePump::Delegate*)
  • DNA-84632 macOS 10.15.2 fail on creating testlist.json
  • DNA-84713 Switching through tabs broken when using workspaces
Record
openSUSE-SU-2020:0635-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
chromium
Debian:12
before 83.0.4103.83-1
83.0.4103.83-1
chromium
Debian:13
before 83.0.4103.83-1
83.0.4103.83-1
chromium
Debian:14
before 83.0.4103.83-1
83.0.4103.83-1
chromium
Debian:10
From an advisory covering 69 CVEs
before 83.0.4103.116-1~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 30 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~deb10u181.0.4044.62-181.0.4044.92-183.0.4103.106-183.0.4103.83-1
83.0.4103.116-1~deb10u1
chromium-browser-stable
Mageia:7
From an advisory covering 2 CVEs
before 81.0.4044.129-1.mga7
81.0.4044.129-1.mga7
chromium-browser
Red Hat:rhel_extras:6
From an advisory covering 2 CVEs
before 0:81.0.4044.129-1.el6_10
0:81.0.4044.129-1.el6_10
chromium-browser-debuginfo
Red Hat:rhel_extras:6
From an advisory covering 2 CVEs
before 0:81.0.4044.129-1.el6_10
0:81.0.4044.129-1.el6_10
chromium-browser
Ubuntu:16.04:LTS
before 81.0.4044.138-0ubuntu0.16.04.1, 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
81.0.4044.138-0ubuntu0.16.04.1
chromium-browser
Ubuntu:18.04:LTS
before 81.0.4044.138-0ubuntu0.18.04.1, 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 36 moreShow less
63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.168.0.3440.75-0ubuntu0.18.04.168.0.3440.106-0ubuntu0.18.04.169.0.3497.81-0ubuntu0.18.04.170.0.3538.67-0ubuntu0.18.04.170.0.3538.77-0ubuntu0.18.04.170.0.3538.110-0ubuntu0.18.04.171.0.3578.80-0ubuntu0.18.04.171.0.3578.98-0ubuntu0.18.04.172.0.3626.119-0ubuntu0.18.04.172.0.3626.121-0ubuntu0.18.04.173.0.3683.75-0ubuntu0.18.04.173.0.3683.86-0ubuntu0.18.04.174.0.3729.169-0ubuntu0.18.04.175.0.3770.90-0ubuntu0.18.04.175.0.3770.142-0ubuntu0.18.04.176.0.3809.87-0ubuntu0.18.04.176.0.3809.100-0ubuntu0.18.04.177.0.3865.90-0ubuntu0.18.04.178.0.3904.70-0ubuntu0.18.04.278.0.3904.97-0ubuntu0.18.04.178.0.3904.108-0ubuntu0.18.04.179.0.3945.79-0ubuntu0.18.04.179.0.3945.130-0ubuntu0.18.04.180.0.3987.87-0ubuntu0.18.04.180.0.3987.149-0ubuntu0.18.04.180.0.3987.163-0ubuntu0.18.04.181.0.4044.122-0ubuntu0.18.04.1
81.0.4044.138-0ubuntu0.18.04.1
opera
openSUSE:Leap 15.1 NonFree
From an advisory covering 6 CVEs
before 68.0.3618.63-lp151.2.15.1
68.0.3618.63-lp151.2.15.1

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-2020-6461 is a critical vulnerability (CVSS 9.6) in Google Chrome, published May 5, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. Fixed in chromium 83.0.4103.83-1.

References

Show 21 moreShow less
This page doesn't list everything

Left out here: 12 versions. The JSON record has them.

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