CVE-2021-21193

Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML...

Basic Information

CVE State: PUBLISHED
Reserved Date: December 21, 2020
Published Date: March 16, 2021
Last Updated: January 29, 2025
Vendor: Google
Product: Chrome
Description: Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Tags

CVSS Scores

CVSS v3.1

8.8 - HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

SSVC Information

Exploitation: active
Technical Impact: total

Exploit Status

Exploited in the Wild: Yes (2021-11-03 00:00:00 UTC) Source

References

https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html https://crbug.com/1186287 https://www.debian.org/security/2021/dsa-4886 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/ https://security.gentoo.org/glsa/202104-08

Known Exploited Vulnerability Information

Source	Added Date
CISA	2021-11-03 00:00:00 UTC

Timeline

CVE ID Reserved

December 21, 2020
CVE Published to Public

March 16, 2021
Added to KEVIntel

November 03, 2021