{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0529",
  "published": "2026-10-20T15:57:48Z",
  "modified": "2026-10-20T15:43:42Z",
  "summary": "Updated x11-server, x11-server-xwayland, tigervnc packages fixes security vulnerabilities and a regression that crashes the X server with AMD GPUs",
  "details": "XKB SetGeometry TextDoodad Double Free. (CVE-2026-88812)\nPresent Extension Cross-Window Notify Use-After-Free. (CVE-2026-93515)\nXInput Passive Grab modifierDevice Use-After-Free. (CVE-2026-93516)\nGLX RenderLarge Heap Buffer Overflow. (CVE-2026-93517)\nXKB ResizeKeyType Numeric Truncation. (CVE-2026-93518)\nXFixes Pointer Barrier Event List Buffer Overflow. (CVE-2026-93519)\nXKB ChangeKeycodeRange Heap Out-of-Bounds Write. (CVE-2026-93520)\nRandR ChangeProviderProperty Heap Buffer Overflow. (CVE-2026-93521)\nGlamor CopyArea CPU-FBO Heap Buffer Overflow. (CVE-2026-93522)\nXInput2 PassiveUngrabDevice Modifier Out-of-Bounds Write.\n(CVE-2026-93523)\nXKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read.\n(CVE-2026-93524)\nGestureBuildSprite Use-After-Free. (CVE-2026-93536)\n",
  "upstream": [
    "CVE-2026-88812",
    "CVE-2026-93515",
    "CVE-2026-93516",
    "CVE-2026-93517",
    "CVE-2026-93518",
    "CVE-2026-93519",
    "CVE-2026-93520",
    "CVE-2026-93521",
    "CVE-2026-93522",
    "CVE-2026-93523",
    "CVE-2026-93524",
    "CVE-2026-93536"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0529.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=36467"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/10/07/23"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=36488"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "x11-server",
        "purl": "pkg:rpm/mageia/x11-server?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "21.1.25-2.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    },
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "x11-server-xwayland",
        "purl": "pkg:rpm/mageia/x11-server-xwayland?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "24.1.14-1.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    },
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "tigervnc",
        "purl": "pkg:rpm/mageia/tigervnc?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.15.0-7.3.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}