CVE-2021-21143 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write6 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 42.82%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Google ChromeChromiumDebian Chromium+3 more
Timeline
PublishedFeb 9
Latest updateMay 24

Description

Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via 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 — 88.0.4324.146
▶NVDgoogle/chrome< 88.0.4324.146
▶debiandebian/chromium< chromium 88.0.4324.146-1 (bookworm)
▶Debianchromium/chromium< 88.0.4324.146-1+3

Also affects: Fedora 32, 33

🔴Vulnerability Details

2
GHSA
GHSA-ww6m-3fjc-mvfw: Heap buffer overflow in Extensions in Google Chrome prior to 88↗2022-05-24
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OSV
CVE-2021-21143: Heap buffer overflow in Extensions in Google Chrome prior to 88↗2021-02-09
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📋Vendor Advisories

3
Microsoft
Chromium CVE-2021-21143: Heap buffer overflow in Extensions↗2021-02-09
▶
Chrome
Stable Channel Update for Desktop: CVE-2021-21142↗2021-02-02
▶
Debian
CVE-2021-21143: chromium - Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allow...↗2021
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