CVE-2021-21157 — Use After Free in Google Chrome

CWE-416 — Use After Free7 documents7 sources
Severity
8.8HIGHNVD
EPSS
4.7%
top 10.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Google ChromeChromiumMicrosoft Edge+2 more
Timeline
PublishedFeb 22
Latest updateMay 24

Description

Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 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 Packages5 packages

▶CVEListV5google/chromeunspecified — 88.0.4324.182
▶NVDgoogle/chrome< 88.0.4324.182
▶NVDmicrosoft/edge< 88.0.705.74
▶NVDmicrosoft/edge_chromium< 88.0.4324.182
▶Debianchromium/chromium< 88.0.4324.182-1+3

Also affects: Fedora 32, 33

Patches

Patch: crbug.com ↗Patch: crbug.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-cxgq-frm4-w3gh: Use after free in Web Sockets in Google Chrome on Linux prior to 88↗2022-05-24
▶
OSV
CVE-2021-21157: Use after free in Web Sockets in Google Chrome on Linux prior to 88↗2021-02-22
▶
CVEList
CVE-2021-21157: Use after free in Web Sockets in Google Chrome on Linux prior to 88↗2021-02-22
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-21155↗2021-02-16
▶
Microsoft
Chromium CVE-2021-21157: Use after free in Web Sockets↗2021-02-09
▶
Debian
CVE-2021-21157: chromium - Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 a...↗2021
▶
CVE-2021-21157 — Use After Free in Google Chrome | cvebase