Use After Free Affecting wpewebkit package, versions <2.32.3-1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
1.27% (66th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ECHOLATEST-WPEWEBKIT-18016991
  • published19 Jul 2026
  • disclosed7 Jul 2021

Introduced: 7 Jul 2021

CVE-2021-21775  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Echo:latest wpewebkit to version 2.32.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wpewebkit package and not the wpewebkit package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

CVSS Base Scores

version 3.1