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Security update for libX11

Type: advisorySource: OSV1 source record

This update for libX11 fixes the following issues: - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910). - CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653). - CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser (bsc#1281657). - CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).

Announced Group revision 1
Original source ↗

SUSE-SU-2026:4410-1

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:SUSE-SU-2026:4410-1

libX11

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
1.6.2-12.41.1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

libX11

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
1.6.2-12.41.1

Source reference: /affected/1/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": "1.6.2-12.41.1"
          }
        ]
      }
    ],
    "package": {
      "name": "libX11",
      "purl": "pkg:rpm/suse/libX11&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS",
      "ecosystem": "SUSE:Linux Enterprise Server 12 SP5-LTSS"
    },
    "database_specific": {
      "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4410-1.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "libX11-6": "1.6.2-12.41.1",
          "libX11-data": "1.6.2-12.41.1",
          "libX11-xcb1": "1.6.2-12.41.1",
          "libX11-devel": "1.6.2-12.41.1",
          "libX11-6-32bit": "1.6.2-12.41.1",
          "libX11-xcb1-32bit": "1.6.2-12.41.1"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.6.2-12.41.1"
          }
        ]
      }
    ],
    "package": {
      "name": "libX11",
      "purl": "pkg:rpm/suse/libX11&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5",
      "ecosystem": "SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5"
    },
    "database_specific": {
      "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4410-1.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "libX11-6": "1.6.2-12.41.1",
          "libX11-data": "1.6.2-12.41.1",
          "libX11-xcb1": "1.6.2-12.41.1",
          "libX11-devel": "1.6.2-12.41.1",
          "libX11-6-32bit": "1.6.2-12.41.1",
          "libX11-xcb1-32bit": "1.6.2-12.41.1"
        }
      ]
    }
  }
]
Related CVEs
CVE-2026-88806

Source reference: /upstream

CVE-2026-94283

Source reference: /upstream

CVE-2026-94284

Source reference: /upstream

CVE-2026-94285

Source reference: /upstream

Publisher severity

No explicit severity was provided.

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-94283 · Medium

libX11

CVE-2026-94284 · Medium

libX11

CVE-2026-94285 · Medium

libX11

Event
#68026 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. SUSE-SU-2026:4410-1 · Revision 1Source updated