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DEBIAN-CVE-2026-40393

Type: advisorySource: OSV1 source record

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.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-40393

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-40393

mesa

Source reference: /affected/0/package/name

Affected versions
22.3.6-1+deb12u1

Source reference: /affected/0/versions

Fixed versions
22.3.6-1+deb12u2

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

mesa

Source reference: /affected/1/package/name

Affected versions
25.0.7-2

Source reference: /affected/1/versions

Fixed versions
25.0.7-2+deb13u1

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

mesa

Source reference: /affected/2/package/name

Affected versions
25.0.7-2

Source reference: /affected/2/versions

25.1.0-1

Source reference: /affected/2/versions

25.1.5-1

Source reference: /affected/2/versions

25.1.7-1

Source reference: /affected/2/versions

25.2.0-1

Source reference: /affected/2/versions

25.2.1-1

Source reference: /affected/2/versions

25.2.1-2

Source reference: /affected/2/versions

25.2.2-1

Source reference: /affected/2/versions

25.2.3-1

Source reference: /affected/2/versions

25.2.3-1~bpo13+1

Source reference: /affected/2/versions

25.2.4-1

Source reference: /affected/2/versions

25.2.4-1~bpo13+1

Source reference: /affected/2/versions

25.2.4-1~bpo13+2

Source reference: /affected/2/versions

25.2.5-1

Source reference: /affected/2/versions

25.2.6-1

Source reference: /affected/2/versions

25.2.6-1~bpo13+1

Source reference: /affected/2/versions

25.2.7-1

Source reference: /affected/2/versions

25.2.8-1

Source reference: /affected/2/versions

25.2.8-2

Source reference: /affected/2/versions

25.3.0-1

Source reference: /affected/2/versions

25.3.0~rc1-1

Source reference: /affected/2/versions

25.3.0~rc2-1

Source reference: /affected/2/versions

25.3.0~rc4-1

Source reference: /affected/2/versions

25.3.1-1

Source reference: /affected/2/versions

25.3.2-1

Source reference: /affected/2/versions

25.3.2-2

Source reference: /affected/2/versions

25.3.3-1

Source reference: /affected/2/versions

26.0.0-1

Source reference: /affected/2/versions

26.0.0~rc3-1

Source reference: /affected/2/versions

Fixed versions
26.0.1-1

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "22.3.6-1+deb12u2"
          }
        ]
      }
    ],
    "package": {
      "name": "mesa",
      "purl": "pkg:deb/debian/mesa?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "22.3.6-1+deb12u1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40393.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "25.0.7-2+deb13u1"
          }
        ]
      }
    ],
    "package": {
      "name": "mesa",
      "purl": "pkg:deb/debian/mesa?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "25.0.7-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40393.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "26.0.1-1"
          }
        ]
      }
    ],
    "package": {
      "name": "mesa",
      "purl": "pkg:deb/debian/mesa?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "25.0.7-2",
      "25.1.0-1",
      "25.1.5-1",
      "25.1.7-1",
      "25.2.0-1",
      "25.2.1-1",
      "25.2.1-2",
      "25.2.2-1",
      "25.2.3-1",
      "25.2.3-1~bpo13+1",
      "25.2.4-1",
      "25.2.4-1~bpo13+1",
      "25.2.4-1~bpo13+2",
      "25.2.5-1",
      "25.2.6-1",
      "25.2.6-1~bpo13+1",
      "25.2.7-1",
      "25.2.8-1",
      "25.2.8-2",
      "25.3.0-1",
      "25.3.0~rc1-1",
      "25.3.0~rc2-1",
      "25.3.0~rc4-1",
      "25.3.1-1",
      "25.3.2-1",
      "25.3.2-2",
      "25.3.3-1",
      "26.0.0-1",
      "26.0.0~rc3-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40393.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#57668 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement