Updated x11-server, x11-server-xwayland, tigervnc packages fixes security vulnerabilities and a regression that crashes the X server with AMD GPUs

{
  "id": "ffe97577a5851f91dbf116ef1cc614df630faf332ce5dc028363a36462709752",
  "url": "https://osv.dev/vulnerability/MGASA-2026-0529",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Updated x11-server, x11-server-xwayland, tigervnc packages fixes security vulnerabilities and a regression that crashes the X server with AMD GPUs",
    "summary": "XKB SetGeometry TextDoodad Double Free. (CVE-2026-88812) Present Extension Cross-Window Notify Use-After-Free. (CVE-2026-93515) XInput Passive Grab modifierDevice Use-After-Free. (CVE-2026-93516) GLX RenderLarge Heap Buffer Overflow. (CVE-2026-93517) XKB ResizeKeyType Numeric Truncation. (CVE-2026-93518) XFixes Pointer Barrier Event List Buffer Overflow. (CVE-2026-93519) XKB ChangeKeycodeRange Heap Out-of-Bounds Write. (CVE-2026-93520) RandR ChangeProviderProperty Heap Buffer Overflow. (CVE-2026-93521) Glamor CopyArea CPU-FBO Heap Buffer Overflow. (CVE-2026-93522) XInput2 PassiveUngrabDevice Modifier Out-of-Bounds Write. (CVE-2026-93523) XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read. (CVE-2026-93524) GestureBuildSprite Use-After-Free. (CVE-2026-93536)",
    "evidence": "osv:MGASA-2026-0529",
    "products": [
      {
        "name": {
          "value": "x11-server",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "21.1.25-2.mga10",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "x11-server-xwayland",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "24.1.14-1.mga10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tigervnc",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.15.0-7.3.mga10",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "MGASA-2026-0529",
      "aliases": [
        "MGASA-2026-0529"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "21.1.25-2.mga10"
                }
              ]
            }
          ],
          "package": {
            "name": "x11-server",
            "purl": "pkg:rpm/mageia/x11-server?arch=source&distro=mageia-10",
            "ecosystem": "Mageia:10"
          },
          "database_specific": {
            "source": "https://advisories.mageia.org/MGASA-2026-0529.json"
          },
          "ecosystem_specific": {
            "section": "core"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "24.1.14-1.mga10"
                }
              ]
            }
          ],
          "package": {
            "name": "x11-server-xwayland",
            "purl": "pkg:rpm/mageia/x11-server-xwayland?arch=source&distro=mageia-10",
            "ecosystem": "Mageia:10"
          },
          "database_specific": {
            "source": "https://advisories.mageia.org/MGASA-2026-0529.json"
          },
          "ecosystem_specific": {
            "section": "core"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.15.0-7.3.mga10"
                }
              ]
            }
          ],
          "package": {
            "name": "tigervnc",
            "purl": "pkg:rpm/mageia/tigervnc?arch=source&distro=mageia-10",
            "ecosystem": "Mageia:10"
          },
          "database_specific": {
            "source": "https://advisories.mageia.org/MGASA-2026-0529.json"
          },
          "ecosystem_specific": {
            "section": "core"
          }
        }
      ],
      "modified": "2026-10-20T16:00:04.492555526Z",
      "provider": "osv",
      "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": [
        "https://advisories.mageia.org/MGASA-2026-0529.html",
        "https://bugs.mageia.org/show_bug.cgi?id=36467",
        "https://www.openwall.com/lists/oss-security/2026/10/07/23",
        "https://bugs.mageia.org/show_bug.cgi?id=36488"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-88812",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93515",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93516",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93517",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93518",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93519",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93520",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93521",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93522",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93523",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93524",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-93536",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 389759,
  "published_at": "2026-10-20T15:57:48+00:00"
}