CVE-2021-21156 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write6 documents6 sources
Severity
8.8HIGHNVD
EPSS
1.6%
top 18.24%
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 V8 in Google Chrome prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted script.

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 — 88.0.4324.182
▶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

🔴Vulnerability Details

2
GHSA
GHSA-3m9j-9gr2-vv75: Heap buffer overflow in V8 in Google Chrome prior to 88↗2022-05-24
▶
OSV
CVE-2021-21156: Heap buffer overflow in V8 in Google Chrome prior to 88↗2021-02-22
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-21155↗2021-02-16
▶
Microsoft
Chromium CVE-2021-21156: Heap buffer overflow in V8↗2021-02-09
▶
Debian
CVE-2021-21156: chromium - Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.182 allowed a rem...↗2021
▶