CVE-2021-4055 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write6 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.5%
top 32.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Google ChromeChromiumDebian Chromium+4 more
Timeline
PublishedDec 23
Latest updateDec 24

Description

Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 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 — 96.0.4664.93
▶NVDgoogle/chrome< 96.0.4664.93
▶debiandebian/chromium< chromium 97.0.4692.71-0.1 (bookworm)
▶Debianchromium/chromium< 97.0.4692.71-0.1~deb11u1+3

Also affects: Debian Linux 10.0, 11.0, Fedora 34

🔴Vulnerability Details

2
GHSA
GHSA-x4rh-jv54-gh7g: Heap buffer overflow in extensions in Google Chrome prior to 96↗2021-12-24
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OSV
CVE-2021-4055: Heap buffer overflow in extensions in Google Chrome prior to 96↗2021-12-23
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📋Vendor Advisories

3
Microsoft
Chromium: CVE-2021-4055 Heap buffer overflow in extensions↗2021-12-14
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Chrome
Stable Channel Update for Desktop: CVE-2021-4055↗2021-12-06
▶
Debian
CVE-2021-4055: chromium - Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowe...↗2021
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