CVE-2021-30509 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write6 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 49.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Google ChromeChromiumDebian Chromium+3 more
Timeline
PublishedJun 4
Latest updateMay 24

Description

Out of bounds write in Tab Strip in Google Chrome prior to 90.0.4430.212 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory write via a crafted HTML page and a crafted Chrome extension.

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 — 90.0.4430.212
▶NVDgoogle/chrome< 90.0.4430.212
▶debiandebian/chromium< chromium 90.0.4430.212-1 (bookworm)
▶Debianchromium/chromium< 90.0.4430.212-1+3

Also affects: Fedora 33, 34

Patches

Patch: crbug.com ↗Patch: crbug.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-v6rx-85h6-26mf: Out of bounds write in Tab Strip in Google Chrome prior to 90↗2022-05-24
▶
OSV
CVE-2021-30509: Out of bounds write in Tab Strip in Google Chrome prior to 90↗2021-06-04
▶

📋Vendor Advisories

3
Microsoft
Chromium: CVE-2021-30509 Out of bounds write in Tab Strip↗2021-05-11
▶
Chrome
Stable Channel Update for Desktop: CVE-2021-30509↗2021-05-10
▶
Debian
CVE-2021-30509: chromium - Out of bounds write in Tab Strip in Google Chrome prior to 90.0.4430.212 allowed...↗2021
▶