CVE-2021-21231 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds WriteCWE-345 — Insufficient Verification of Data Authenticity6 documents6 sources
Severity
8.8HIGHNVD
EPSS
2.0%
top 16.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Google ChromeChromiumDebian Chromium+4 more
Timeline
PublishedApr 30
Latest updateMay 24

Description

Insufficient data validation in V8 in Google Chrome prior to 90.0.4430.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 90.0.4430.93
▶NVDgoogle/chrome< 90.0.4430.93
▶debiandebian/chromium< chromium 90.0.4430.93-1 (bookworm)
▶Debianchromium/chromium< 90.0.4430.93-1+3

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

🔴Vulnerability Details

2
GHSA
GHSA-8rgm-mpw2-pcjv: Insufficient data validation in V8 in Google Chrome prior to 90↗2022-05-24
▶
OSV
CVE-2021-21231: Insufficient data validation in V8 in Google Chrome prior to 90↗2021-04-30
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-21230↗2021-04-26
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Microsoft
Chromium: CVE-2021-21231 Insufficient data validation in V8↗2021-04-13
▶
Debian
CVE-2021-21231: chromium - Insufficient data validation in V8 in Google Chrome prior to 90.0.4430.93 allowe...↗2021
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