CVE-2022-3038
Google Chromium Network Service Use-After-Free Vulnerability
Google Chromium Network Service
Use after free in Network Service in Google Chrome prior to 105.0.5195.52 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 30 March 2023. US federal agencies were required to remediate it by 20 April 2023.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 24.9%, which is higher than 97.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2022-3038 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2022-3038.
What does CVE-2022-3038 affect?
CVE-2022-3038 affects Google Chromium Network Service. Use after free in Network Service in Google Chrome prior to 105.0.5195.52 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
How severe is CVE-2022-3038?
CVE-2022-3038 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 24.9%, higher than 97.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 20 April 2023.
How should organisations respond to CVE-2022-3038?
Apply the vendor patch for Google Chromium Network Service as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.