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Echo: mesa: security update to 25.0.7-2+e2

critical Tenable Cloud Security Plugin ID 459844

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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.
 (CVE-2026-40393)

Solution

Update the mesa library and its related packages to version 25.0.7-2+e2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-40393

Plugin Details

Severity: Critical

ID: 459844

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.47

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-40393

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/15/2026

Vulnerability Publication Date: 4/12/2026

Reference Information

CVE: CVE-2026-40393