Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
https://www.debian.org/security/2022/dsa-5046
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/
https://thehackernews.com/2024/08/russian-hackers-exploit-safari-and.html
https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective
https://www.helpnetsecurity.com/2024/08/29/n-day-exploits-government-websites/
https://crbug.com/1251727
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html
Source: Mitre, NVD
Published: 2021-10-08
Updated: 2025-02-03
Known Exploited Vulnerability (KEV)
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 9.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Severity: Critical
EPSS: 0.15636