CVE-2021-21154Out-of-bounds Write in Google Chrome

Severity
9.6CRITICALNVD
EPSS
1.1%
top 22.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 22
Latest updateMay 24

Description

Heap buffer overflow in Tab Strip in Google Chrome prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0

Affected Packages6 packages

CVEListV5google/chromeunspecified88.0.4324.182
NVDgoogle/chrome< 88.0.4324.182
debiandebian/chromium< chromium 88.0.4324.182-1 (bookworm)
Debianchromium/chromium< 88.0.4324.182-1+3

Also affects: Fedora 32, 33

Patches

🔴Vulnerability Details

2
GHSA
GHSA-53q7-6745-8vc3: Heap buffer overflow in Tab Strip in Google Chrome prior to 882022-05-24
OSV
CVE-2021-21154: Heap buffer overflow in Tab Strip in Google Chrome prior to 882021-02-22

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-211522021-02-16
Microsoft
Chromium: CVE-2021-21154 Heap buffer overflow in Tab Strip2021-02-09
Debian
CVE-2021-21154: chromium - Heap buffer overflow in Tab Strip in Google Chrome prior to 88.0.4324.182 allowe...2021