PT-2021-2124 · Google+3 · Google Chrome+3

Guang Gong + 1 · Published 2021-01-20 · Updated 2024-06-15 · CVE-2021-21121

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 88.0.4324.96

Description The issue is related to a use after free in the Omnibox feature of Google Chrome on Linux, which could allow a remote attacker to potentially perform a sandbox escape via a crafted HTML page. This could enable the attacker to execute arbitrary code.

Recommendations For versions prior to 88.0.4324.96, update to version 88.0.4324.96 or later to resolve the issue. As a temporary workaround, consider avoiding the use of crafted HTML pages that could trigger the use after free vulnerability in the Omnibox feature.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-1146

ALT-PU-2021-1179

ALT-PU-2021-1198

ALT-PU-2021-1210

ALT-PU-2021-1379

BDU:2021-00983

CVE-2021-21121

DSA-4846-1

MGASA-2021-0406

OPENSUSE-SU-2021:0166-1

OPENSUSE-SU-2021:0173-1

OPENSUSE-SU-2021:0177-1

OPENSUSE-SU-2021:0186-1

OPENSUSE-SU-2021:0973-1

OPENSUSE-SU-2021:1016-1

OPENSUSE-SU-2021_0166-1

OPENSUSE-SU-2021_0173-1

OPENSUSE-SU-2021_0973-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:10977-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2356

• https://safe-surf.ru/specialists/bulletins-nkcki/660676 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:1016-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-21121 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21121 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21121 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:0166-1 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21121 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10681-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210611SE16 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21121 · Security Note
• https://advisories.mageia.org/MGASA-2021-0406.html · Security Note
• https://osv.dev/vulnerability/DSA-4846-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-21121 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21121 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory