Debian Security Bug TrackerDEBIANCVE:CVE-2021-21779CVE-2021-21779
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
71.4%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | webkit2gtk | < 2.32.3-1 | webkit2gtk_2.32.3-1_all.deb |
| Debian | 11 | all | webkit2gtk | < 2.32.3-1 | webkit2gtk_2.32.3-1_all.deb |
| Debian | 999 | all | webkit2gtk | < 2.32.3-1 | webkit2gtk_2.32.3-1_all.deb |
| Debian | 13 | all | webkit2gtk | < 2.32.3-1 | webkit2gtk_2.32.3-1_all.deb |
| Debian | 12 | all | wpewebkit | < 2.32.3-1 | wpewebkit_2.32.3-1_all.deb |
| Debian | 11 | all | wpewebkit | < 2.32.3-1 | wpewebkit_2.32.3-1_all.deb |
| Debian | 999 | all | wpewebkit | < 2.32.3-1 | wpewebkit_2.32.3-1_all.deb |
| Debian | 13 | all | wpewebkit | < 2.32.3-1 | wpewebkit_2.32.3-1_all.deb |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
71.4%