Out of bounds read in IPC in Google Chrome prior to 89.0.4389.114 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_30.html
https://security.gentoo.org/glsa/202104-08
http://packetstormsecurity.com/files/162973/Chrome-Legacy-ipc-Message-Passed-Via-Shared-Memory.html
Source: MITRE
Published: 2021-04-09
Updated: 2021-06-07
Type: CWE-125
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 7.4
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Impact Score: 4
Exploitability Score: 2.8
Severity: HIGH