CVE-2021-21223: Integer overflow in Mojo
Integer overflow in Mojo in Google Chrome prior to 90.0.4430.85 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/chromiumto a version that resolves this vulnerability.Fixed in 90.0.4430.212-1~deb10u1Fixed in 116.0.5845.180-1~deb11u1Fixed in 118.0.5993.70-1~deb11u1Fixed in 116.0.5845.180-1~deb12u1Fixed in 118.0.5993.70-1~deb12u1Fixed in 118.0.5993.70-1 - Upgrade
Upgrade
Google Chrome (Trace Event)to a version that resolves this vulnerability.Fixed in 90.0.4430.85 - Upgrade
Upgrade
alpine/qt5-qtwebengineto a version that resolves this vulnerability.Fixed in 5.15.3_git20210510-r0
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2021-21223?
CVE-2021-21223 is classified as a high severity vulnerability that may allow sandbox escape in affected versions of Google Chrome.
How do I fix CVE-2021-21223?
To fix CVE-2021-21223, upgrade Google Chrome to version 90.0.4430.85 or later.
What versions of Chrome are affected by CVE-2021-21223?
CVE-2021-21223 affects versions of Google Chrome prior to 90.0.4430.85.
What impact does CVE-2021-21223 have on users?
CVE-2021-21223 could allow a remote attacker to perform a sandbox escape, potentially compromising the user's system.
Which operating systems are impacted by CVE-2021-21223?
CVE-2021-21223 impacts users of Google Chrome on all supported operating systems that run affected versions.