CVE-2021-21222 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write7 documents6 sources
Severity
6.5MEDIUMNVD
OSV7.5
EPSS
0.6%
top 30.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Google ChromeChromiumDebian Chromium+4 more
Timeline
PublishedApr 26
Latest updateMay 10

Description

Heap buffer overflow in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 90.0.4430.85
▶NVDgoogle/chrome< 90.0.4430.85
▶debiandebian/chromium< chromium 90.0.4430.85-1 (bookworm)
▶Debianchromium/chromium< 90.0.4430.85-1+3

Also affects: Debian Linux 10.0, Fedora 32, 33, 34

🔴Vulnerability Details

3
OSV
node-css-what vulnerabilities↗2023-05-10
▶
GHSA
GHSA-hffr-mqmq-pqx2: Heap buffer overflow in V8 in Google Chrome prior to 90↗2022-05-24
▶
OSV
CVE-2021-21222: Heap buffer overflow in V8 in Google Chrome prior to 90↗2021-04-26
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-21222↗2021-04-20
▶
Microsoft
Chromium: CVE-2021-21222 Heap buffer overflow in V8↗2021-04-13
▶
Debian
CVE-2021-21222: chromium - Heap buffer overflow in V8 in Google Chrome prior to 90.0.4430.85 allowed a remo...↗2021
▶