HighFix available

Red Hat Security Advisory: xorg-x11-server security update

Type: advisorySource: OSV1 source record

Announced 30 Apr 2026Source revision 1

RHSA-2026:11692

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:RHSA-2026:11692

xorg-x11-server

Source reference: /affected/0/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/0/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xdmx

Source reference: /affected/1/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xdmx-debuginfo

Source reference: /affected/2/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xephyr

Source reference: /affected/3/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/3/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xephyr-debuginfo

Source reference: /affected/4/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/4/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xnest

Source reference: /affected/5/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/5/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xnest-debuginfo

Source reference: /affected/6/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/6/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xorg

Source reference: /affected/7/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/7/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xorg-debuginfo

Source reference: /affected/8/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/8/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xvfb

Source reference: /affected/9/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/9/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xvfb-debuginfo

Source reference: /affected/10/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/10/ranges
Prerequisites: Not stated in this record

xorg-x11-server-common

Source reference: /affected/11/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/11/ranges
Prerequisites: Not stated in this record

xorg-x11-server-debuginfo

Source reference: /affected/12/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/12/ranges
Prerequisites: Not stated in this record

xorg-x11-server-debugsource

Source reference: /affected/13/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/13/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xdmx-debuginfo

Source reference: /affected/14/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/14/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xephyr-debuginfo

Source reference: /affected/15/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/15/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xnest-debuginfo

Source reference: /affected/16/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/16/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xorg-debuginfo

Source reference: /affected/17/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/17/ranges
Prerequisites: Not stated in this record

xorg-x11-server-Xvfb-debuginfo

Source reference: /affected/18/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/18/ranges
Prerequisites: Not stated in this record

xorg-x11-server-debuginfo

Source reference: /affected/19/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/19/ranges
Prerequisites: Not stated in this record

xorg-x11-server-debugsource

Source reference: /affected/20/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/20/ranges
Prerequisites: Not stated in this record

xorg-x11-server-devel

Source reference: /affected/21/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/21/ranges
Prerequisites: Not stated in this record

xorg-x11-server-source

Source reference: /affected/22/package/name

Affected versions: Not stated in this record
Fixed versions: 0:1.20.11-28.el8_10
Source reference: /affected/22/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": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server",
      "purl": "pkg:rpm/redhat/xorg-x11-server",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
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          },
          {
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          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xdmx",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xdmx",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
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  },
  {
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    ],
    "package": {
      "name": "xorg-x11-server-Xdmx-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xdmx-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
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  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
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          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xephyr",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xephyr",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
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  },
  {
    "ranges": [
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          {
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          },
          {
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          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xephyr-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xephyr-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
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        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xnest",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xnest",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
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        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xnest-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xnest-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xorg",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xorg",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xorg-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xorg-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xvfb",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xvfb",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xvfb-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xvfb-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-common",
      "purl": "pkg:rpm/redhat/xorg-x11-server-common",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-debugsource",
      "purl": "pkg:rpm/redhat/xorg-x11-server-debugsource",
      "ecosystem": "Red Hat:enterprise_linux:8::appstream"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xdmx-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xdmx-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xephyr-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xephyr-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xnest-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xnest-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xorg-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xorg-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-Xvfb-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-Xvfb-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-debuginfo",
      "purl": "pkg:rpm/redhat/xorg-x11-server-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-debugsource",
      "purl": "pkg:rpm/redhat/xorg-x11-server-debugsource",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-devel",
      "purl": "pkg:rpm/redhat/xorg-x11-server-devel",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:1.20.11-28.el8_10"
          }
        ]
      }
    ],
    "package": {
      "name": "xorg-x11-server-source",
      "purl": "pkg:rpm/redhat/xorg-x11-server-source",
      "ecosystem": "Red Hat:enterprise_linux:8::crb"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:11692.json"
    }
  }
]

Related CVEs: CVE-2026-33999
Source reference: /upstream
CVE-2026-34001
Source reference: /upstream
CVE-2026-34003
Source reference: /upstream

Publisher severity

high

Source reference: /severity/0/score

Event: #72984 · Revision 1
Added to Heist Feed: Mon, 26 Oct 2026 00:20:55 GMT
Publisher date: Thu, 30 Apr 2026 10:10:44 GMT

Read the original announcement