vulnerability
Arch Linux: Information disclosure (CVE-2021-21779)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Jul 8, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jul 8, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. A use-after-free vulnerability exists in the way that WebKit GraphicsContext handles certain events. 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.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-21779
- https://attackerkb.com/topics/CVE-2021-21779
- URL-http://www.openwall.com/lists/oss-security/2021/07/23/1
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
- URL-https://security.archlinux.org/ASA-202107-67
- URL-https://security.archlinux.org/ASA-202107-68
- URL-https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238
- URL-https://www.debian.org/security/2021/dsa-4945
- CWE-416
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.