GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

OPENSUSE-SU-2026:21284-1

Vulnerability from csaf_opensuse - Published: 2026-07-10 08:42 - Updated: 2026-09-17 17:38
Summary
Security update for libXfont2
Severity
Important
Notes
Title of the patch: Security update for libXfont2
Description of the patch: This update for libXfont2 fixes the following issues - CVE-2026-56001: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow (bsc#1269018). - CVE-2026-56002: PCF Font Parsing Heap Buffer Overflow (bsc#1269019). - CVE-2026-56003: computeProps Property Buffer Heap Buffer Overflow (bsc#1269020).
Patchnames: openSUSE-Leap-16.0-1195
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-56001
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-56002
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products
Recommended 8 products, the same list as for CVE-2026-56001
Threats
Impact important
CVE-2026-56003
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products
Recommended 8 products, the same list as for CVE-2026-56001
Threats
Impact important
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for libXfont2",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for libXfont2 fixes the following issues\n\n- CVE-2026-56001: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow (bsc#1269018).\n- CVE-2026-56002: PCF Font Parsing Heap Buffer Overflow (bsc#1269019).\n- CVE-2026-56003: computeProps Property Buffer Heap Buffer Overflow (bsc#1269020).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "openSUSE-Leap-16.0-1195",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_21284-1.json"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1269018",
        "url": "https://bugzilla.suse.com/1269018"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1269019",
        "url": "https://bugzilla.suse.com/1269019"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1269020",
        "url": "https://bugzilla.suse.com/1269020"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2026-56001 page",
        "url": "https://www.suse.com/security/cve/CVE-2026-56001/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2026-56002 page",
        "url": "https://www.suse.com/security/cve/CVE-2026-56002/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2026-56003 page",
        "url": "https://www.suse.com/security/cve/CVE-2026-56003/"
      }
    ],
    "title": "Security update for libXfont2",
    "tracking": {
      "current_release_date": "2026-09-17T17:38:20Z",
      "generator": {
        "date": "2026-07-10T08:42:03Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "openSUSE-SU-2026:21284-1",
      "initial_release_date": "2026-07-10T08:42:03Z",
      "revision_history": [
        {
          "date": "2026-07-10T08:42:03Z",
          "number": "1",
          "summary": "Current version"
        },
        {
          "date": "2026-09-16T20:41:33Z",
          "number": "2",
          "summary": "unknown changes"
        },
        {
          "date": "2026-09-16T21:43:21Z",
          "number": "3",
          "summary": "unknown changes"
        },
        {
          "date": "2026-09-17T17:38:20Z",
          "number": "4",
          "summary": "unknown changes"
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libXfont2-2-0:2.0.7-160000.4.1.aarch64",
                "product": {
                  "name": "libXfont2-2-0:2.0.7-160000.4.1.aarch64",
                  "product_id": "libXfont2-2-0:2.0.7-160000.4.1.aarch64",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:x:libxfont:2.0.7:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libXfont2-2@2.0.7-160000.4.1?arch=aarch64\u0026upstream=libXfont2-0:2.0.7-160000.4.1.src.rpm"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
                "product": {
                  "name": "libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
                  "product_id": "libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:x:libxfont:2.0.7:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libXfont2-devel@2.0.7-160000.4.1?arch=aarch64\u0026upstream=libXfont2-0:2.0.7-160000.4.1.src.rpm"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "aarch64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
                "product": {
                  "name": "libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
                  "product_id": "libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:x:libxfont:2.0.7:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libXfont2-2@2.0.7-160000.4.1?arch=ppc64le\u0026upstream=libXfont2-0:2.0.7-160000.4.1.src.rpm"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
                "product": {
                  "name": "libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
                  "product_id": "libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:x:libxfont:2.0.7:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libXfont2-devel@2.0.7-160000.4.1?arch=ppc64le\u0026upstream=libXfont2-0:2.0.7-160000.4.1.src.rpm"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "ppc64le"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libXfont2-2-0:2.0.7-160000.4.1.s390x",
                "product": {
                  "name": "libXfont2-2-0:2.0.7-160000.4.1.s390x",
                  "product_id": "libXfont2-2-0:2.0.7-160000.4.1.s390x",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:x:libxfont:2.0.7:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libXfont2-2@2.0.7-160000.4.1?arch=s390x\u0026upstream=libXfont2-0:2.0.7-160000.4.1.src.rpm"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libXfont2-devel-0:2.0.7-160000.4.1.s390x",
                "product": {
                  "name": "libXfont2-devel-0:2.0.7-160000.4.1.s390x",
                  "product_id": "libXfont2-devel-0:2.0.7-160000.4.1.s390x",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:x:libxfont:2.0.7:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libXfont2-devel@2.0.7-160000.4.1?arch=s390x\u0026upstream=libXfont2-0:2.0.7-160000.4.1.src.rpm"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "s390x"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libXfont2-2-0:2.0.7-160000.4.1.x86_64",
                "product": {
                  "name": "libXfont2-2-0:2.0.7-160000.4.1.x86_64",
                  "product_id": "libXfont2-2-0:2.0.7-160000.4.1.x86_64",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:x:libxfont:2.0.7:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libXfont2-2@2.0.7-160000.4.1?arch=x86_64\u0026upstream=libXfont2-0:2.0.7-160000.4.1.src.rpm"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libXfont2-devel-0:2.0.7-160000.4.1.x86_64",
                "product": {
                  "name": "libXfont2-devel-0:2.0.7-160000.4.1.x86_64",
                  "product_id": "libXfont2-devel-0:2.0.7-160000.4.1.x86_64",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:x:libxfont:2.0.7:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libXfont2-devel@2.0.7-160000.4.1?arch=x86_64\u0026upstream=libXfont2-0:2.0.7-160000.4.1.src.rpm"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "openSUSE Leap 16.0",
                "product": {
                  "name": "openSUSE Leap 16.0",
                  "product_id": "openSUSE Leap 16.0"
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libXfont2-2-0:2.0.7-160000.4.1.aarch64 as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64"
        },
        "product_reference": "libXfont2-2-0:2.0.7-160000.4.1.aarch64",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libXfont2-2-0:2.0.7-160000.4.1.ppc64le as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le"
        },
        "product_reference": "libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libXfont2-2-0:2.0.7-160000.4.1.s390x as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x"
        },
        "product_reference": "libXfont2-2-0:2.0.7-160000.4.1.s390x",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libXfont2-2-0:2.0.7-160000.4.1.x86_64 as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64"
        },
        "product_reference": "libXfont2-2-0:2.0.7-160000.4.1.x86_64",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libXfont2-devel-0:2.0.7-160000.4.1.aarch64 as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64"
        },
        "product_reference": "libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libXfont2-devel-0:2.0.7-160000.4.1.ppc64le as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le"
        },
        "product_reference": "libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libXfont2-devel-0:2.0.7-160000.4.1.s390x as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x"
        },
        "product_reference": "libXfont2-devel-0:2.0.7-160000.4.1.s390x",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libXfont2-devel-0:2.0.7-160000.4.1.x86_64 as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
        },
        "product_reference": "libXfont2-devel-0:2.0.7-160000.4.1.x86_64",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-56001",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-56001"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attackers able to access the X Server to execute code within the X server cont",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-56001",
          "url": "https://www.suse.com/security/cve/CVE-2026-56001"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1269018 for CVE-2026-56001",
          "url": "https://bugzilla.suse.com/1269018"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1277834 for CVE-2026-56001",
          "url": "https://bugzilla.suse.com/1277834"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-10T08:42:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-56001"
    },
    {
      "cve": "CVE-2026-56002",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-56002"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A heap bufferflow in pcfReadFont() due to missing glyph bounds checking  in libXfont2 before 2.0.8   allows attackers authenticated as X client to execute code within the X server.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-56002",
          "url": "https://www.suse.com/security/cve/CVE-2026-56002"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1269019 for CVE-2026-56002",
          "url": "https://bugzilla.suse.com/1269019"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-10T08:42:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-56002"
    },
    {
      "cve": "CVE-2026-56003",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-56003"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
          "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
          "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-56003",
          "url": "https://www.suse.com/security/cve/CVE-2026-56003"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1269020 for CVE-2026-56003",
          "url": "https://bugzilla.suse.com/1269020"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-2-0:2.0.7-160000.4.1.x86_64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.aarch64",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.ppc64le",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.s390x",
            "openSUSE Leap 16.0:libXfont2-devel-0:2.0.7-160000.4.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-10T08:42:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-56003"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.