Use After Free Affecting webkit2gtk package, versions <2.30.6-1~deb10u1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.35% (72nd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-WEBKIT2GTK-1316355
- published 10 Jul 2021
- disclosed 8 Jul 2021
Introduced: 8 Jul 2021
CVE-2021-21806 Open this link in a new tabHow to fix?
Upgrade Debian:10
webkit2gtk
to version 2.30.6-1~deb10u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream webkit2gtk
package and not the webkit2gtk
package as distributed by Debian
.
See How to fix?
for Debian:10
relevant fixed versions and status.
An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.