CVEvulnerability
CVE-2021-21775
8.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-07-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.0 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 6.8 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
- CVSS 2.0 ([email protected])
- 6.0 MEDIUM — AV:N/AC:M/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
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.
Affected configurations
• webkitgtk webkitgtk 2.30.4
• fedoraproject fedora 33
• fedoraproject fedora 34
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://www.openwall.com/lists/oss-security/2021/07/23/1 Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/ lists.fedoraproject.org
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229 Exploit, Technical Description, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4945 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/07/23/1 Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/ lists.fedoraproject.org
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229 Exploit, Technical Description, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4945 Third Party Advisory