suse-su-2025:4407-1
Vulnerability from csaf_suse
Published
2025-12-15 16:54
Modified
2025-12-15 16:54
Summary
Security update for xkbcomp

Notes

Title of the patch
Security update for xkbcomp
Description of the patch
This update for xkbcomp fixes the following issues: - CVE-2018-15863: NULL pointer dereference triggered by a a crafted keymap file with a no-op modmask expression can lead to a crash (bsc#1105832). - CVE-2018-15861: NULL pointer dereference triggered by a crafted keymap file that induces an `xkb_intern_atom` failure can lead to a crash (bsc#1105832). - CVE-2018-15859: NULL pointer dereference triggered by a specially a crafted keymap file can lead to a crash (bsc#1105832). - CVE-2018-15853: endless recursion triggered by a crafted keymap file that induces boolean negation can lead to a crash (bsc#1105832).
Patchnames
SUSE-2025-4407,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-4407
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "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 xkbcomp",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for xkbcomp fixes the following issues:\n\n- CVE-2018-15863: NULL pointer dereference triggered by a a crafted keymap file with a no-op modmask expression can\n  lead to a crash (bsc#1105832).\n- CVE-2018-15861: NULL pointer dereference triggered by a crafted keymap file that induces an `xkb_intern_atom` failure\n  can lead to a crash (bsc#1105832).\n- CVE-2018-15859: NULL pointer dereference triggered by a specially a crafted keymap file can lead to a crash\n  (bsc#1105832).\n- CVE-2018-15853: endless recursion triggered by a crafted keymap file that induces boolean negation can lead to a\n  crash (bsc#1105832).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2025-4407,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-4407",
        "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/"
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      },
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        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_4407-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2025:4407-1",
        "url": "https://www.suse.com/support/update/announcement/2025/suse-su-20254407-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2025:4407-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-December/023553.html"
      },
      {
        "category": "self",
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        "url": "https://bugzilla.suse.com/1105832"
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        "url": "https://www.suse.com/security/cve/CVE-2018-15853/"
      },
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        "summary": "SUSE CVE CVE-2018-15859 page",
        "url": "https://www.suse.com/security/cve/CVE-2018-15859/"
      },
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        "summary": "SUSE CVE CVE-2018-15861 page",
        "url": "https://www.suse.com/security/cve/CVE-2018-15861/"
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        "summary": "SUSE CVE CVE-2018-15863 page",
        "url": "https://www.suse.com/security/cve/CVE-2018-15863/"
      }
    ],
    "title": "Security update for xkbcomp",
    "tracking": {
      "current_release_date": "2025-12-15T16:54:15Z",
      "generator": {
        "date": "2025-12-15T16:54:15Z",
        "engine": {
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          "version": "1"
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      },
      "id": "SUSE-SU-2025:4407-1",
      "initial_release_date": "2025-12-15T16:54:15Z",
      "revision_history": [
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          "date": "2025-12-15T16:54:15Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
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    }
  },
  "product_tree": {
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          {
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          },
          {
            "branches": [
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                "category": "product_version",
                "name": "xkbcomp-1.2.4-11.3.1.ppc64le",
                "product": {
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                  "product_id": "xkbcomp-1.2.4-11.3.1.ppc64le"
                }
              },
              {
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          {
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              },
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          },
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                }
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            "name": "x86_64"
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            "branches": [
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                "category": "product_name",
                "name": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
                "product": {
                  "name": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
                  "product_id": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sles-ltss-extended-security:12:sp5"
                  }
                }
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            "category": "product_family",
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          }
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        "category": "vendor",
        "name": "SUSE"
      }
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    "relationships": [
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        "category": "default_component_of",
        "full_product_name": {
          "name": "xkbcomp-1.2.4-11.3.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
          "product_id": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64"
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        },
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        "relates_to_product_reference": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5"
      }
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-15853",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-15853"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
        ]
      },
      "references": [
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          "category": "external",
          "summary": "CVE-2018-15853",
          "url": "https://www.suse.com/security/cve/CVE-2018-15853"
        },
        {
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          "summary": "SUSE Bug 1105832 for CVE-2018-15853",
          "url": "https://bugzilla.suse.com/1105832"
        }
      ],
      "remediations": [
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
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            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
          ]
        }
      ],
      "threats": [
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          "date": "2025-12-15T16:54:15Z",
          "details": "low"
        }
      ],
      "title": "CVE-2018-15853"
    },
    {
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          "text": "https://www.suse.com/security/cve/CVE-2018-15859"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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        }
      ],
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
          ]
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      ],
      "scores": [
        {
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            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
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        }
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      "title": "CVE-2018-15859"
    },
    {
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          "text": "https://www.suse.com/security/cve/CVE-2018-15861"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Unchecked NULL pointer usage in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file that triggers an xkb_intern_atom failure.",
          "title": "CVE description"
        }
      ],
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        ]
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          "url": "https://bugzilla.suse.com/1105832"
        }
      ],
      "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": [
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-12-15T16:54:15Z",
          "details": "low"
        }
      ],
      "title": "CVE-2018-15861"
    },
    {
      "cve": "CVE-2018-15863",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-15863"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file with a no-op modmask expression.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-15863",
          "url": "https://www.suse.com/security/cve/CVE-2018-15863"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1105832 for CVE-2018-15863",
          "url": "https://bugzilla.suse.com/1105832"
        }
      ],
      "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": [
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-1.2.4-11.3.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:xkbcomp-devel-1.2.4-11.3.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-12-15T16:54:15Z",
          "details": "low"
        }
      ],
      "title": "CVE-2018-15863"
    }
  ]
}


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