CVE-2021-30633

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30633
Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

9.6 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html Release Notes
https://crbug.com/1247766 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ Release Notes
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html Release Notes
https://crbug.com/1247766 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ Release Notes
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30633 US Government Resource
Configurations

Configuration 1 (hide)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
History

24 Oct 2025, 21:08

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30633 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30633 - US Government Resource

22 Oct 2025, 00:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30633 -

21 Oct 2025, 20:18

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30633', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:19

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30633 -

21 Nov 2024, 06:04

Type Values Removed Values Added
References () https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html - Release Notes () https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html - Release Notes
References () https://crbug.com/1247766 - Permissions Required () https://crbug.com/1247766 - Permissions Required
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ - Release Notes () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ - Release Notes
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ - Release Notes () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ - Release Notes

26 Jul 2024, 19:39

Type Values Removed Values Added
References () https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html - Release Notes, Vendor Advisory () https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html - Release Notes
References () https://crbug.com/1247766 - Permissions Required, Vendor Advisory () https://crbug.com/1247766 - Permissions Required
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ - Release Notes
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ - Release Notes

07 Nov 2023, 03:33

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/', 'name': 'FEDORA-2021-591b3a2af0', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/', 'name': 'FEDORA-2021-ab09a05562', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ -
Information

Published : 2021-10-08 21:15

Updated : 2025-10-24 21:08

NVD link : CVE-2021-30633

Mitre link : CVE-2021-30633

CVE.ORG link : CVE-2021-30633

JSON object : View

Products Affected

fedoraproject

  • fedora

google

  • chrome
CWE
CWE-416

Use After Free