CVE-2021-21779

Description

A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.

References

https://www.debian.org/security/2021/dsa-4945

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/

http://www.openwall.com/lists/oss-security/2021/07/23/1

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3