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CVE-2021-21138

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to...

8.6 HighFix available

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.52%Up 0.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.6

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Record
CVE-2021-21138
CVSS 3.1
8.6 HighCVSS:3.1/AV:L/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 DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Record
CVE-2021-21138
Updated
2026-11-02
EUVDEUVD-2021-8529 No score

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Record
EUVD-2021-8529
Updated
2026-11-03
GitHub AdvisoriesGHSA-8mvr-j92p-v42j No score

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to...

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Record
GHSA-8mvr-j92p-v42j
Weakness
CWE-416
Updated
2026-11-02
OSVALPINE-CVE-2021-21138 8.6

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Record
ALPINE-CVE-2021-21138
CVSS 3.1
8.6 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-03
OSV 8.6

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Record
CVE-2021-21138
CVSS 3.1
8.6 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
Show 8 moreShow less
OSVDEBIAN-CVE-2021-21138 8.6

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Record
DEBIAN-CVE-2021-21138
CVSS 3.1
8.6 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2021-21138 8.6

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

Record
UBUNTU-CVE-2021-21138
CVSS 3.1
8.6 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2021:0166-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium was updated to 88.0.4324.96 boo#1181137

  • CVE-2021-21117: Insufficient policy enforcement in Cryptohome
  • CVE-2021-21118: Insufficient data validation in V8
  • CVE-2021-21119: Use after free in Media
  • CVE-2021-21120: Use after free in WebSQL
  • CVE-2021-21121: Use after free in Omnibox
  • CVE-2021-21122: Use after free in Blink
  • CVE-2021-21123: Insufficient data validation in File System API
  • CVE-2021-21124: Potential user after free in Speech Recognizer
  • CVE-2021-21125: Insufficient policy enforcement in File System API
  • CVE-2020-16044: Use after free in WebRTC
  • CVE-2021-21126: Insufficient policy enforcement in extensions
  • CVE-2021-21127: Insufficient policy enforcement in extensions
  • CVE-2021-21128: Heap buffer overflow in Blink
  • CVE-2021-21129: Insufficient policy enforcement in File System API
  • CVE-2021-21130: Insufficient policy enforcement in File System API
  • CVE-2021-21131: Insufficient policy enforcement in File System API
  • CVE-2021-21132: Inappropriate implementation in DevTools
  • CVE-2021-21133: Insufficient policy enforcement in Downloads
  • CVE-2021-21134: Incorrect security UI in Page Info
  • CVE-2021-21135: Inappropriate implementation in Performance API
  • CVE-2021-21136: Insufficient policy enforcement in WebView
  • CVE-2021-21137: Inappropriate implementation in DevTools
  • CVE-2021-21138: Use after free in DevTools
  • CVE-2021-21139: Inappropriate implementation in iframe sandbox
  • CVE-2021-21140: Uninitialized Use in USB
  • CVE-2021-21141: Insufficient policy enforcement in File System API
Record
openSUSE-SU-2021:0166-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:0173-1 No score

Security update for chromium

This update for chromium fixes the following issues:

chromium was updated to 88.0.4324.96 boo#1181137

  • CVE-2021-21117: Insufficient policy enforcement in Cryptohome
  • CVE-2021-21118: Insufficient data validation in V8
  • CVE-2021-21119: Use after free in Media
  • CVE-2021-21120: Use after free in WebSQL
  • CVE-2021-21121: Use after free in Omnibox
  • CVE-2021-21122: Use after free in Blink
  • CVE-2021-21123: Insufficient data validation in File System API
  • CVE-2021-21124: Potential user after free in Speech Recognizer
  • CVE-2021-21125: Insufficient policy enforcement in File System API
  • CVE-2020-16044: Use after free in WebRTC
  • CVE-2021-21126: Insufficient policy enforcement in extensions
  • CVE-2021-21127: Insufficient policy enforcement in extensions
  • CVE-2021-21128: Heap buffer overflow in Blink
  • CVE-2021-21129: Insufficient policy enforcement in File System API
  • CVE-2021-21130: Insufficient policy enforcement in File System API
  • CVE-2021-21131: Insufficient policy enforcement in File System API
  • CVE-2021-21132: Inappropriate implementation in DevTools
  • CVE-2021-21133: Insufficient policy enforcement in Downloads
  • CVE-2021-21134: Incorrect security UI in Page Info
  • CVE-2021-21135: Inappropriate implementation in Performance API
  • CVE-2021-21136: Insufficient policy enforcement in WebView
  • CVE-2021-21137: Inappropriate implementation in DevTools
  • CVE-2021-21138: Use after free in DevTools
  • CVE-2021-21139: Inappropriate implementation in iframe sandbox
  • CVE-2021-21140: Uninitialized Use in USB
  • CVE-2021-21141: Insufficient policy enforcement in File System API
Record
openSUSE-SU-2021:0173-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:0177-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium was updated to 88.0.4324.96 boo#1181137

  • CVE-2021-21117: Insufficient policy enforcement in Cryptohome
  • CVE-2021-21118: Insufficient data validation in V8
  • CVE-2021-21119: Use after free in Media
  • CVE-2021-21120: Use after free in WebSQL
  • CVE-2021-21121: Use after free in Omnibox
  • CVE-2021-21122: Use after free in Blink
  • CVE-2021-21123: Insufficient data validation in File System API
  • CVE-2021-21124: Potential user after free in Speech Recognizer
  • CVE-2021-21125: Insufficient policy enforcement in File System API
  • CVE-2020-16044: Use after free in WebRTC
  • CVE-2021-21126: Insufficient policy enforcement in extensions
  • CVE-2021-21127: Insufficient policy enforcement in extensions
  • CVE-2021-21128: Heap buffer overflow in Blink
  • CVE-2021-21129: Insufficient policy enforcement in File System API
  • CVE-2021-21130: Insufficient policy enforcement in File System API
  • CVE-2021-21131: Insufficient policy enforcement in File System API
  • CVE-2021-21132: Inappropriate implementation in DevTools
  • CVE-2021-21133: Insufficient policy enforcement in Downloads
  • CVE-2021-21134: Incorrect security UI in Page Info
  • CVE-2021-21135: Inappropriate implementation in Performance API
  • CVE-2021-21136: Insufficient policy enforcement in WebView
  • CVE-2021-21137: Inappropriate implementation in DevTools
  • CVE-2021-21138: Use after free in DevTools
  • CVE-2021-21139: Inappropriate implementation in iframe sandbox
  • CVE-2021-21140: Uninitialized Use in USB
  • CVE-2021-21141: Insufficient policy enforcement in File System API

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

Record
openSUSE-SU-2021:0177-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:0186-1 No score

Security update for chromium

This update for chromium fixes the following issues:

chromium was updated to 88.0.4324.96 boo#1181137

  • CVE-2021-21117: Insufficient policy enforcement in Cryptohome
  • CVE-2021-21118: Insufficient data validation in V8
  • CVE-2021-21119: Use after free in Media
  • CVE-2021-21120: Use after free in WebSQL
  • CVE-2021-21121: Use after free in Omnibox
  • CVE-2021-21122: Use after free in Blink
  • CVE-2021-21123: Insufficient data validation in File System API
  • CVE-2021-21124: Potential user after free in Speech Recognizer
  • CVE-2021-21125: Insufficient policy enforcement in File System API
  • CVE-2020-16044: Use after free in WebRTC
  • CVE-2021-21126: Insufficient policy enforcement in extensions
  • CVE-2021-21127: Insufficient policy enforcement in extensions
  • CVE-2021-21128: Heap buffer overflow in Blink
  • CVE-2021-21129: Insufficient policy enforcement in File System API
  • CVE-2021-21130: Insufficient policy enforcement in File System API
  • CVE-2021-21131: Insufficient policy enforcement in File System API
  • CVE-2021-21132: Inappropriate implementation in DevTools
  • CVE-2021-21133: Insufficient policy enforcement in Downloads
  • CVE-2021-21134: Incorrect security UI in Page Info
  • CVE-2021-21135: Inappropriate implementation in Performance API
  • CVE-2021-21136: Insufficient policy enforcement in WebView
  • CVE-2021-21137: Inappropriate implementation in DevTools
  • CVE-2021-21138: Use after free in DevTools
  • CVE-2021-21139: Inappropriate implementation in iframe sandbox
  • CVE-2021-21140: Uninitialized Use in USB
  • CVE-2021-21141: Insufficient policy enforcement in File System API

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

Record
openSUSE-SU-2021:0186-1
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
qt5-qtwebengine
Alpine:v3.14
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.15
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.16
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.17
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.18
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.19
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.20
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.21
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.22
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
qt5-qtwebengine
Alpine:v3.23
 before 5.15.3_git20200401-r0
5.15.3_git20200401-r0
Show 12 moreShow less
Affected packages
PackageAffectedFixed
chromium
Debian:12
 before 88.0.4324.96-0.1
88.0.4324.96-0.1
chromium
Debian:13
 before 88.0.4324.96-0.1
88.0.4324.96-0.1
chromium
Debian:14
 before 88.0.4324.96-0.1
88.0.4324.96-0.1
chromium
Debian:10
From an advisory covering 32 CVEs
 before 88.0.4324.146-1~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 45 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~deb10u383.0.4103.116-283.0.4103.116-383.0.4103.116-3.183.0.4103.83-184.0.4147.105-184.0.4147.89-187.0.4280.141-0.187.0.4280.141-0.1~deb10u187.0.4280.88-0.187.0.4280.88-0.287.0.4280.88-0.387.0.4280.88-0.4
88.0.4324.146-1~deb10u1
chromium-browser
Ubuntu:16.04:LTS
 before 89.0.4389.82-0ubuntu0.16.04.1, 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
89.0.4389.82-0ubuntu0.16.04.1
chromium-browser
Ubuntu:18.04:LTS
 before 89.0.4389.82-0ubuntu0.18.04.1, 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 44 moreShow less
63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.168.0.3440.75-0ubuntu0.18.04.168.0.3440.106-0ubuntu0.18.04.169.0.3497.81-0ubuntu0.18.04.170.0.3538.67-0ubuntu0.18.04.170.0.3538.77-0ubuntu0.18.04.170.0.3538.110-0ubuntu0.18.04.171.0.3578.80-0ubuntu0.18.04.171.0.3578.98-0ubuntu0.18.04.172.0.3626.119-0ubuntu0.18.04.172.0.3626.121-0ubuntu0.18.04.173.0.3683.75-0ubuntu0.18.04.173.0.3683.86-0ubuntu0.18.04.174.0.3729.169-0ubuntu0.18.04.175.0.3770.90-0ubuntu0.18.04.175.0.3770.142-0ubuntu0.18.04.176.0.3809.87-0ubuntu0.18.04.176.0.3809.100-0ubuntu0.18.04.177.0.3865.90-0ubuntu0.18.04.178.0.3904.70-0ubuntu0.18.04.278.0.3904.97-0ubuntu0.18.04.178.0.3904.108-0ubuntu0.18.04.179.0.3945.79-0ubuntu0.18.04.179.0.3945.130-0ubuntu0.18.04.180.0.3987.87-0ubuntu0.18.04.180.0.3987.149-0ubuntu0.18.04.180.0.3987.163-0ubuntu0.18.04.181.0.4044.122-0ubuntu0.18.04.181.0.4044.138-0ubuntu0.18.04.183.0.4103.61-0ubuntu0.18.04.184.0.4147.105-0ubuntu0.18.04.185.0.4183.83-0ubuntu0.18.04.285.0.4183.121-0ubuntu0.18.04.186.0.4240.75-0ubuntu0.18.04.186.0.4240.198-0ubuntu0.18.04.187.0.4280.66-0ubuntu0.18.04.1
89.0.4389.82-0ubuntu0.18.04.1
chromium
openSUSE:Leap 15.1
From an advisory covering 26 CVEs
 before 88.0.4324.96-lp151.2.171.1
88.0.4324.96-lp151.2.171.1
chromium
openSUSE:Leap 15.2
From an advisory covering 26 CVEs
 before 88.0.4324.96-lp152.2.66.1
88.0.4324.96-lp152.2.66.1
chromium
SUSE:Package Hub 15 SP1
From an advisory covering 26 CVEs
 before 88.0.4324.96-bp151.3.156.1
88.0.4324.96-bp151.3.156.1
chromium
SUSE:Package Hub 15 SP2
From an advisory covering 26 CVEs
 before 88.0.4324.96-bp152.2.53.1
88.0.4324.96-bp152.2.53.1
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
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2021-21138 is a high vulnerability (CVSS 8.6) in Google Chrome, published January 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. Fixed in qt5-qtwebengine 5.15.3_git20200401-r0.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 23 versions and 2,123 references. The JSON record has them.

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