CVE-2021-4319

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-07-29 · updated 2026-06-17
Weakness: CWE-416

Description

Use after free in Blink in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

Affected products

Google Chrome: before 93.0.4577.82 — fixed in 93.0.4577.82

How to fix

Upgrade to a fixed version: Google Chrome 93.0.4577.82. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html
https://crbug.com/1214199
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html
https://crbug.com/1214199
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/

Get alerted when CVE-2021-4319 or the next vulnerability affects your stack