CVE-2021-21155 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write6 documents6 sources
Severity
9.6CRITICALNVD
EPSS
1.1%
top 22.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Google ChromeChromiumDebian Chromium+3 more
Timeline
PublishedFeb 22
Latest updateMay 24

Description

Heap buffer overflow in Tab Strip in Google Chrome on Windows 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/chromeunspecified — 88.0.4324.182
▶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

Patch: crbug.com ↗Patch: crbug.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-78cq-mc55-x9rg: Heap buffer overflow in Tab Strip in Google Chrome on Windows prior to 88↗2022-05-24
▶
OSV
CVE-2021-21155: Heap buffer overflow in Tab Strip in Google Chrome on Windows prior to 88↗2021-02-22
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-21155↗2021-02-16
▶
Microsoft
Chromium CVE-2021-21155: Heap buffer overflow in Tab Strip↗2021-02-09
▶
Debian
CVE-2021-21155: chromium - Heap buffer overflow in Tab Strip in Google Chrome on Windows prior to 88.0.4324...↗2021
▶