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UnratedFix available

libXfont2: Fix of 3 CVEs

Type: advisorySources: OSV

- Fix CVE-2026-56003: property buffer overflow in computeProps / ComputeScaledProperties in bitscale.c (upstream commit dff957a5158da038a282a59a31fe736702732939)

Products
libXfont2, libXfont2-devel
Affected versions
Not specified
Fixed versions
2.0.3-12.el9.tuxcare.els3
CVEs
CVE-2026-56003
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 10:41 UTC · Revision 1

Source evidence

libXfont2: Fix of 3 CVEs

core-osv · Original source

Published 23 Jul 2026, 08:58 UTC

- Fix CVE-2026-56003: property buffer overflow in computeProps / ComputeScaledProperties in bitscale.c (upstream commit dff957a5158da038a282a59a31fe736702732939)

osv:CLSA-2026-1784797098

libXfont2

Fixed versions: 2.0.3-12.el9.tuxcare.els3

libXfont2-devel

Fixed versions: 2.0.3-12.el9.tuxcare.els3

Complete source record
{
  "id": "c0d6dc5450e5e34f9b9d01def008dd10d21f520f1e079891dd7310756b291651",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1784797098",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libXfont2: Fix of 3 CVEs",
    "summary": "- Fix CVE-2026-56003: property buffer overflow in computeProps / ComputeScaledProperties in bitscale.c (upstream commit dff957a5158da038a282a59a31fe736702732939)",
    "evidence": "osv:CLSA-2026-1784797098",
    "products": [
      {
        "name": {
          "value": "libXfont2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.0.3-12.el9.tuxcare.els3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libXfont2-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.0.3-12.el9.tuxcare.els3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1784797098",
      "aliases": [
        "CLSA-2026-1784797098"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.0.3-12.el9.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "libXfont2",
            "purl": "pkg:rpm/tuxcare/libXfont2?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1784797098.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.0.3-12.el9.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "libXfont2-devel",
            "purl": "pkg:rpm/tuxcare/libXfont2-devel?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1784797098.json"
          }
        }
      ],
      "modified": "2026-10-26T09:30:27.493451195Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-56003"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1784797098.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-56001",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-56002",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-56003"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-56003",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447053,
  "published_at": "2026-07-23T08:58:49+00:00"
}