CVE-2026-40393
Published:April 12, 2026
Updated:April 23, 2026
In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party, and is then used for alloca.
Affected Packages
https://github.com/sailfishos-mirror/mesa.git (GITHUB):
Affected version(s) =mesa-26.0.0 <mesa-26.0.1Fix Suggestion:
Update to version mesa-26.0.1https://github.com/sailfishos-mirror/mesa.git (GITHUB):
Affected version(s) >=mesa-6.4.1 <mesa-25.3.6Fix Suggestion:
Update to version mesa-25.3.6Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
EPSS
Base Score:
0.05
