{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0303",
  "published": "2026-07-27T22:45:13Z",
  "modified": "2026-07-27T21:30:54Z",
  "summary": "Updated x11-server x11-server-xwayland tigervnc packages fix security vulnerabilities",
  "details": "The updated packages fix security vulnerabilities:\nglamor Font Atlas Heap Buffer Overflow. (CVE-2026-55999)\nGLX contextTags Use-After-Free in CommonMakeCurrent(). (CVE-2026-56000)\n",
  "upstream": [
    "CVE-2026-55999",
    "CVE-2026-56000"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0303.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=35860"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/07/08/2"
    }
  ],
  "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": "21.1.24-1.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": "24.1.13-1.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": "1.15.0-7.1.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}
