CVEvulnerability
CVE-2021-21806
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-07-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
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.
Affected configurations
• webkitgtk webkitgtk 2.30.3
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://www.openwall.com/lists/oss-security/2021/07/23/1 Mailing List, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1214 Exploit, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/07/23/1 Mailing List, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1214 Exploit, Third Party Advisory