CVE-2021-21194 — Use After Free in Google Chrome

CWE-416 — Use After Free6 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.8%
top 25.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Google ChromeChromiumDebian Chromium+3 more
Timeline
PublishedApr 9
Latest updateMay 24

Description

Use after free in screen sharing in Google Chrome prior to 89.0.4389.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

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 — 89.0.4389.114
▶NVDgoogle/chrome< 89.0.4389.114
▶debiandebian/chromium< chromium 89.0.4389.114-1 (bookworm)
▶Debianchromium/chromium< 89.0.4389.114-1+3

Also affects: Fedora 32, 33, 34

🔴Vulnerability Details

2
GHSA
GHSA-2qv4-c5gv-5f74: Use after free in screen sharing in Google Chrome prior to 89↗2022-05-24
▶
OSV
CVE-2021-21194: Use after free in screen sharing in Google Chrome prior to 89↗2021-04-09
▶

📋Vendor Advisories

3
Microsoft
Chromium: CVE-2021-21194 Use after free in screen capture↗2021-04-13
▶
Chrome
Stable Channel Update for Desktop: CVE-2021-21194↗2021-03-30
▶
Debian
CVE-2021-21194: chromium - Use after free in screen sharing in Google Chrome prior to 89.0.4389.114 allowed...↗2021
▶