{"id":"OESA-2026-2051","summary":"mesa security update","details":".\r\n\r\nSecurity Fix(es):\n\nIn 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)","modified":"2026-08-18T01:19:49.116189933Z","published":"2026-04-25T11:11:03Z","upstream":["CVE-2026-40393"],"database_specific":{"severity":"Critical"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2051"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40393"}],"affected":[{"package":{"name":"mesa","ecosystem":"openEuler:22.03-LTS-SP4","purl":"pkg:rpm/openEuler/mesa&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.3.1-7.oe2203sp4"}]}],"ecosystem_specific":{"aarch64":["mesa-debuginfo-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-debugsource-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-dri-drivers-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-filesystem-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libEGL-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libEGL-devel-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libGL-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libGL-devel-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libOSMesa-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libOSMesa-devel-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libgbm-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libgbm-devel-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libglapi-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libxatracker-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-libxatracker-devel-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-vdpau-drivers-21.3.1-7.oe2203sp4.aarch64.rpm","mesa-vulkan-drivers-21.3.1-7.oe2203sp4.aarch64.rpm"],"src":["mesa-21.3.1-7.oe2203sp4.src.rpm"],"x86_64":["mesa-debuginfo-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-debugsource-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-dri-drivers-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-filesystem-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libEGL-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libEGL-devel-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libGL-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libGL-devel-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libOSMesa-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libOSMesa-devel-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libgbm-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libgbm-devel-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libglapi-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libxatracker-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-libxatracker-devel-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-vdpau-drivers-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-vulkan-devel-21.3.1-7.oe2203sp4.x86_64.rpm","mesa-vulkan-drivers-21.3.1-7.oe2203sp4.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-2051.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}