CVE-2021-30586
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed...
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension 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
What each source reports
NVD Score used
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
- Record
CVE-2021-30586- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV: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 dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
- Record
CVE-2021-30586- Updated
- 2026-11-02
EUVDEUVD-2021-17506 No score
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
- Record
EUVD-2021-17506- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gwmp-qw7h-46m8 No score
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed...
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
- Record
GHSA-gwmp-qw7h-46m8- Weakness
- CWE-416
- Updated
- 2026-11-02
OSVALPINE-CVE-2021-30586
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
- Record
ALPINE-CVE-2021-30586- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSV
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
- Record
CVE-2021-30586- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-30586
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
- Record
DEBIAN-CVE-2021-30586- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-30586
Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
- Record
UBUNTU-CVE-2021-30586- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
chromiumAlpine:v3.14 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.15 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.16 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.17 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.18 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.19 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.20 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.21 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.22 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumAlpine:v3.23 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
chromiumAlpine:v3.24 |
before 92.0.4515.107-r0 | 92.0.4515.107-r0 |
chromiumDebian:12 |
before 93.0.4577.82-1 | 93.0.4577.82-1 |
chromiumDebian:13 |
before 93.0.4577.82-1 | 93.0.4577.82-1 |
chromiumDebian:14 |
before 93.0.4577.82-1 | 93.0.4577.82-1 |
chromium-browserUbuntu:18.04:LTS |
before 92.0.4515.159-0ubuntu0.18.04.1, 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 45 moreShow less63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.168.0.3440.75-0ubuntu0.18.04.168.0.3440.106-0ubuntu0.18.04.169.0.3497.81-0ubuntu0.18.04.170.0.3538.67-0ubuntu0.18.04.170.0.3538.77-0ubuntu0.18.04.170.0.3538.110-0ubuntu0.18.04.171.0.3578.80-0ubuntu0.18.04.171.0.3578.98-0ubuntu0.18.04.172.0.3626.119-0ubuntu0.18.04.172.0.3626.121-0ubuntu0.18.04.173.0.3683.75-0ubuntu0.18.04.173.0.3683.86-0ubuntu0.18.04.174.0.3729.169-0ubuntu0.18.04.175.0.3770.90-0ubuntu0.18.04.175.0.3770.142-0ubuntu0.18.04.176.0.3809.87-0ubuntu0.18.04.176.0.3809.100-0ubuntu0.18.04.177.0.3865.90-0ubuntu0.18.04.178.0.3904.70-0ubuntu0.18.04.278.0.3904.97-0ubuntu0.18.04.178.0.3904.108-0ubuntu0.18.04.179.0.3945.79-0ubuntu0.18.04.179.0.3945.130-0ubuntu0.18.04.180.0.3987.87-0ubuntu0.18.04.180.0.3987.149-0ubuntu0.18.04.180.0.3987.163-0ubuntu0.18.04.181.0.4044.122-0ubuntu0.18.04.181.0.4044.138-0ubuntu0.18.04.183.0.4103.61-0ubuntu0.18.04.184.0.4147.105-0ubuntu0.18.04.185.0.4183.83-0ubuntu0.18.04.285.0.4183.121-0ubuntu0.18.04.186.0.4240.75-0ubuntu0.18.04.186.0.4240.198-0ubuntu0.18.04.187.0.4280.66-0ubuntu0.18.04.189.0.4389.82-0ubuntu0.18.04.1 |
92.0.4515.159-0ubuntu0.18.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30586 is a high vulnerability (CVSS 8.8) in Google Chrome, published August 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. Fixed in chromium 92.0.4515.107-r0.
References
chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html
crbug.com/1201032
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LVY4WIWTVVYKQMROJJS365TZBKEARCF
nvd.nist.gov/vuln/detail/CVE-2021-30586
Show 8 moreShow less
github.com/advisories/GHSA-gwmp-qw7h-46m8
security.alpinelinux.org/vuln/CVE-2021-30586
security-tracker.debian.org/tracker/CVE-2021-30586
ubuntu.com/security/CVE-2021-30586
cve.org/CVERecord?id=CVE-2021-30586
Left out here: 5 versions. The JSON record has them.