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Debian · Security advisory · April 12, 2026
Debian · Security advisory · April 12, 2026DEBIAN-CVE-2026-40393: mesa security update
DEBIAN-CVE-2026-40393, released April 12, 2026, fixes 1 CVE in mesa. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
1
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0044
38th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| mesa | Debian 12.15 (bookworm) | 22.3.6-1+deb12u2 |
| mesa | Debian 13.5 (trixie) | 25.0.7-2+deb13u1 |
| mesa | Debian 14 | 26.0.1-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-40393 | mesa: 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-... | 9.8 | 0.0044 | None reported |
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