CVE-2021-21779
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-21779
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21779.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-21779
- Downstream
- Related
- Published
- 2021-07-08T12:15:09Z
- Modified
- 2025-08-09T19:01:29Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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://talosintelligence.com/vulnerability_reports/TALOS-2021-1238
- https://www.debian.org/security/2021/dsa-4945
- http://www.openwall.com/lists/oss-security/2021/07/23/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/