Description
Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected products
- X.Org / xorg-server0 – 21.1.24
- X.Org / X server21.2.24
- X.Org / xwayland0 – 24.1.13
- X.Org / xwayland24.1.13
Updated 31m ago · 8 sources