CVE-2026-40393
In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.1
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.
- Record
CVE-2026-40393- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2026-21737
8.1
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.
- Record
EUVD-2026-21737- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w54f-pw7x-c532
8.1
In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU...
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.
- Record
GHSA-w54f-pw7x-c532- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
8.1
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.
- Record
CVE-2026-40393- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSVBELL-CVE-2026-40393
9.8
- Record
BELL-CVE-2026-40393- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-40393
9.8
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.
- Record
DEBIAN-CVE-2026-40393- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 22 moreShow less
OSVOESA-2026-2048
9.8
mesa security update
.
Security Fix(es):
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)
- Record
OESA-2026-2048- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2026-2049
9.8
mesa security update
.
Security Fix(es):
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)
- Record
OESA-2026-2049- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2026-2050
9.8
mesa security update
.
Security Fix(es):
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)
- Record
OESA-2026-2050- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2026-2051
9.8
mesa security update
.
Security Fix(es):
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)
- Record
OESA-2026-2051- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2026-2052
9.8
mesa security update
.
Security Fix(es):
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)
- Record
OESA-2026-2052- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVROOT-OS-DEBIAN-11-CVE-2026-40393
9.8
CVE-2026-40393 in mesa - Patched by Root
Root has patched CVE-2026-40393 in the mesa package for Root:Debian:11. Multiple fixed versions available.
- Record
ROOT-OS-DEBIAN-11-CVE-2026-40393- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVROOT-OS-DEBIAN-12-CVE-2026-40393
9.8
CVE-2026-40393 in rootio-mesa - Patched by Root
Root has patched CVE-2026-40393 in the rootio-mesa package for Root:Debian:12. Multiple fixed versions available.
- Record
ROOT-OS-DEBIAN-12-CVE-2026-40393- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVROOT-OS-DEBIAN-13-CVE-2026-40393
9.8
CVE-2026-40393 in rootio-mesa - Patched by Root
Root has patched CVE-2026-40393 in the rootio-mesa package for Root:Debian:13. Multiple fixed versions available.
- Record
ROOT-OS-DEBIAN-13-CVE-2026-40393- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-40393
8.1
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.
- Record
UBUNTU-CVE-2026-40393- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVAZL-82688 No score
CVE-2026-40393 affecting package mesa for versions less than 24.0.1-8
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.
- Record
AZL-82688- Updated
- 2026-11-05
OSVCLSA-2026-1787314086 No score
Fix CVE(s): CVE-2026-40393
- SECURITY UPDATE: out-of-bounds memory access from an unbounded stack
allocation in the SPIR-V front end (ELSCVE-171724)
- debian/patches/backport-STACK_ARRAY.patch: add the upstream src/util/stack_array.h helper, which the fix requires.
- debian/patches/CVE-2026-40393.patch: replace NIR_VLA, a bare alloca, with STACK_ARRAY at the two sites whose element count comes from the shader, in src/compiler/spirv/spirv_to_nir.c and src/compiler/nir/nir_inline_functions.c.
- CVE-2026-40393
- Record
CLSA-2026-1787314086- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:20688-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
openSUSE-SU-2026:20688-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:1343-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:1343-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:1835-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:1835-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:1839-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:1839-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:1844-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:1844-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:1845-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:1845-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:21292-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:21292-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:21412-1 No score
Security update for Mesa
This update for Mesa fixes the following issues:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:21412-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:21534-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:21534-1- Updated
- 2026-11-02
OSVSUSE-SU-2026:21564-1 No score
Security update for Mesa
This update for Mesa fixes the following issue:
- CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).
- Record
SUSE-SU-2026:21564-1- Updated
- 2026-11-02
OSVUSN-8427-1 No score
mesa vulnerability
It was discovered that Mesa did not properly validate memory allocation sizes in WebGPU under certain circumstances. An attacker could use this issue to cause Mesa to crash, resulting in a denial of service, or possibly execute arbitrary code.
- Record
USN-8427-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mesaAzure Linux:3 |
before 24.0.1-8 | 24.0.1-8 |
mesaAlpaquita:stream |
23.1.3-r4 up to 26.0.1-r0 | 26.0.1-r0 |
libd3dadapter9-mesaTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libd3dadapter9-mesa-devTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libegl-mesa0TuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libegl1-mesaTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libegl1-mesa-devTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libgbm-devTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libgbm1TuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libgl1-mesa-devTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
Show 32 moreShow less
| Package | Affected | Fixed |
|---|---|---|
libgl1-mesa-driTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libgl1-mesa-glxTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libglapi-mesaTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libgles2-mesaTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libgles2-mesa-devTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libglx-mesa0TuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libosmesa6TuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libosmesa6-devTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libwayland-egl1-mesaTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libxatracker-devTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
libxatracker2TuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
mesa-common-devTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
mesa-opencl-icdTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
mesa-va-driversTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
mesa-vdpau-driversTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
mesa-vulkan-driversTuxCare:Ubuntu:18.04 |
before 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 | 20.0.8-0ubuntu1~18.04.1+tuxcare.els1 |
mesaDebian:12 |
before 22.3.6-1+deb12u2, plus listed versions 22.3.6-1+deb12u1 |
22.3.6-1+deb12u2 |
mesaDebian:13 |
before 25.0.7-2+deb13u1, plus listed versions 25.0.7-2 |
25.0.7-2+deb13u1 |
mesaDebian:14 |
before 26.0.1-1, plus listed versions 25.0.7-225.1.0-125.1.5-125.1.7-125.2.0-1 Show 24 moreShow less25.2.1-125.2.1-225.2.2-125.2.3-125.2.3-1~bpo13+125.2.4-125.2.4-1~bpo13+125.2.4-1~bpo13+225.2.5-125.2.6-125.2.6-1~bpo13+125.2.7-125.2.8-125.2.8-225.3.0-125.3.0~rc1-125.3.0~rc2-125.3.0~rc4-125.3.1-125.3.2-125.3.2-225.3.3-126.0.0-126.0.0~rc3-1 |
26.0.1-1 |
mesaopenEuler:24.03-LTS-SP1 |
before 24.0.3-5.oe2403sp1 | 24.0.3-5.oe2403sp1 |
mesaopenEuler:24.03-LTS-SP3 |
before 24.0.3-5.oe2403sp3 | 24.0.3-5.oe2403sp3 |
mesaopenEuler:20.03-LTS-SP4 |
before 20.1.4-4.oe2003sp4 | 20.1.4-4.oe2003sp4 |
mesaopenEuler:22.03-LTS-SP4 |
before 21.3.1-7.oe2203sp4 | 21.3.1-7.oe2203sp4 |
mesaopenEuler:24.03-LTS |
before 24.0.3-5.oe2403 | 24.0.3-5.oe2403 |
MesaSUSE:Linux Enterprise Micro 5.2 |
before 20.2.4-150300.59.12.1 | 20.2.4-150300.59.12.1 |
mesaUbuntu:14.04:LTS |
All versions, plus listed versions 9.2.1-1ubuntu39.2.2-1ubuntu19.2.2-1ubuntu210.0.0-1ubuntu210.0.0-1ubuntu3 Show 19 moreShow less10.0.0-1ubuntu410.0.1-1ubuntu210.1.0~rc1-1ubuntu110.1.0~rc1-1ubuntu310.1.0~rc1-1ubuntu410.1.0~rc3-0ubuntu110.1.0~rc3-0ubuntu210.1.0~rc3-0ubuntu310.1.0-1ubuntu110.1.0-4ubuntu110.1.0-4ubuntu210.1.0-4ubuntu410.1.0-4ubuntu510.1.3-0ubuntu0.110.1.3-0ubuntu0.210.1.3-0ubuntu0.310.1.3-0ubuntu0.410.1.3-0ubuntu0.510.1.3-0ubuntu0.6 |
None known |
mesaUbuntu:16.04:LTS |
All versions, plus listed versions 11.0.2-1ubuntu411.0.4-1ubuntu111.0.5-1ubuntu111.0.5-1ubuntu211.0.6-1ubuntu1 Show 16 moreShow less11.0.7-1ubuntu111.0.8-1ubuntu111.1.1-1ubuntu211.1.2-1ubuntu111.1.2-1ubuntu211.2.0-1ubuntu111.2.0-1ubuntu211.2.0-1ubuntu2.111.2.0-1ubuntu2.212.0.6-0ubuntu0.16.04.117.0.7-0ubuntu0.16.04.117.0.7-0ubuntu0.16.04.217.2.4-0ubuntu1~16.04.217.2.4-0ubuntu1~16.04.417.2.8-0ubuntu0~16.04.118.0.5-0ubuntu0~16.04.1 |
None known |
mesaUbuntu:18.04:LTS |
All versions, plus listed versions 17.2.2-0ubuntu117.2.4-0ubuntu217.3.3-0ubuntu118.0.0~rc4-1ubuntu318.0.0~rc5-1ubuntu1 Show 14 moreShow less18.0.5-0ubuntu0~18.04.118.2.2-0ubuntu1~18.04.118.2.2-0ubuntu1~18.04.218.2.8-0ubuntu0~18.04.219.0.2-1ubuntu1.1~18.04.119.0.2-1ubuntu1.1~18.04.219.0.8-0ubuntu0~18.04.119.0.8-0ubuntu0~18.04.219.0.8-0ubuntu0~18.04.319.2.1-1ubuntu1~18.04.119.2.8-0ubuntu0~18.04.119.2.8-0ubuntu0~18.04.219.2.8-0ubuntu0~18.04.320.0.8-0ubuntu1~18.04.1 |
None known |
mesaUbuntu:20.04:LTS |
All versions, plus listed versions 19.2.1-1ubuntu119.2.4-1ubuntu119.3.3-1ubuntu120.0.0-1ubuntu120.0.2-1ubuntu1 Show 12 moreShow less20.0.4-1ubuntu120.0.4-2ubuntu120.0.8-0ubuntu1~20.04.120.2.6-0ubuntu0.20.04.121.0.3-0ubuntu0.2~20.04.121.0.3-0ubuntu0.3~20.04.121.0.3-0ubuntu0.3~20.04.221.0.3-0ubuntu0.3~20.04.321.0.3-0ubuntu0.3~20.04.421.0.3-0ubuntu0.3~20.04.521.2.6-0ubuntu0.1~20.04.121.2.6-0ubuntu0.1~20.04.2 |
None known |
mesaUbuntu:22.04:LTS |
before 23.2.1-1ubuntu3.1~22.04.4, plus listed versions 21.2.2-1ubuntu121.3.5-1ubuntu122.0.0-0ubuntu222.0.1-1ubuntu122.0.1-1ubuntu2 Show 9 moreShow less22.0.1-1ubuntu2.122.0.5-0ubuntu0.122.0.5-0ubuntu0.322.2.5-0ubuntu0.1~22.04.122.2.5-0ubuntu0.1~22.04.222.2.5-0ubuntu0.1~22.04.323.0.4-0ubuntu1~22.04.123.2.1-1ubuntu3.1~22.04.223.2.1-1ubuntu3.1~22.04.3 |
23.2.1-1ubuntu3.1~22.04.4 |
mesaUbuntu:24.04:LTS |
before 25.2.8-0ubuntu0.24.04.2, plus listed versions 23.2.1-1ubuntu323.2.1-1ubuntu423.3.0-2ubuntu323.3.3-1ubuntu224.0.1-1ubuntu1 Show 10 moreShow less24.0.3-1ubuntu324.0.3-1ubuntu424.0.5-1ubuntu124.0.9-0ubuntu0.124.0.9-0ubuntu0.224.0.9-0ubuntu0.324.2.8-1ubuntu1~24.04.125.0.7-0ubuntu0.24.04.125.0.7-0ubuntu0.24.04.225.2.8-0ubuntu0.24.04.1 |
25.2.8-0ubuntu0.24.04.2 |
mesaUbuntu:25.10 |
before 25.2.8-0ubuntu0.25.10.2, plus listed versions 25.0.3-1ubuntu225.0.7-0ubuntu125.0.7-0ubuntu225.0.7-0ubuntu325.1.5-1ubuntu1 Show 5 moreShow less25.1.7-1ubuntu125.2.1-2ubuntu125.2.2-1ubuntu125.2.3-1ubuntu125.2.8-0ubuntu0.25.10.1 |
25.2.8-0ubuntu0.25.10.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| affected | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-40393 is a high vulnerability (CVSS 8.1) in Mesa3d Mesa, published April 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in mesa 24.0.1-8.
References
lists.freedesktop.org/archives/mesa-dev/2026-February/226597.html
gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39866
lists.debian.org/debian-lts-announce/2026/07/msg00021.html
nvd.nist.gov/vuln/detail/CVE-2026-40393
github.com/advisories/GHSA-w54f-pw7x-c532
docs.bell-sw.com/security/cves/CVE-2026-40393
Show 22 moreShow less
errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1787314086.html
security-tracker.debian.org/tracker/CVE-2026-40393
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-2048
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-2049
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-2050
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-2051
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-2052
suse.com/support/update/announcement/2026/suse-su-20261343-1
bugzilla.suse.com/1261998
suse.com/security/cve/CVE-2026-40393
suse.com/support/update/announcement/2026/suse-su-20261835-1
suse.com/support/update/announcement/2026/suse-su-20261839-1
suse.com/support/update/announcement/2026/suse-su-20261844-1
suse.com/support/update/announcement/2026/suse-su-20261845-1
suse.com/support/update/announcement/2026/suse-su-202621292-1
suse.com/support/update/announcement/2026/suse-su-202621412-1
suse.com/support/update/announcement/2026/suse-su-202621534-1
bugzilla.suse.com/1261911
suse.com/support/update/announcement/2026/suse-su-202621564-1
ubuntu.com/security/CVE-2026-40393
cve.org/CVERecord?id=CVE-2026-40393
ubuntu.com/security/notices/USN-8427-1