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CVE-2025-62876
November 12, 2025
A Execution with Unnecessary Privileges vulnerability in lightdm-kde-greeter allows escalation from the service user to root.This issue affects lightdm-kde-greeter. before 6.0.4.
Affected Packages
https://github.com/KDE/lightdm-kde-greeter.git (GITHUB):
Affected version(s) >=v0.1.1 <v6.0.4
Fix Suggestion:
Update to version v6.0.4
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CVSS v4
Base Score:
5.3
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Execution with Unnecessary Privileges
EPSS
Base Score:
0.03