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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-14567

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.

Products
Not specified
Affected versions
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Fixed versions
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CVEs
CVE-2018-14567
Confirmed fixed CVEs
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Updated in this feed
1 Nov 2026, 09:23 UTC · Revision 1

Source evidence

CVE-2018-14567

core-osv · Original source

Published 16 Aug 2018, 20:29 UTC

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.

osv:CVE-2018-14567
Complete source record
{
  "id": "a889bb443d81a5d50abb527fd5e8fdb1e508d9818aa159137ac94a1c14d0ba88",
  "url": "https://osv.dev/vulnerability/CVE-2018-14567",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-14567",
    "summary": "libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.",
    "evidence": "osv:CVE-2018-14567",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-14567",
      "aliases": [
        "CVE-2018-14567"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gnome/libxml2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "18890f471c420411aa3c989e104d090966ec9dbf"
                },
                {
                  "last_affected": "18890f471c420411aa3c989e104d090966ec9dbf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:xmlsoft:libxml2:2.9.8:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.9.8"
                      },
                      {
                        "last_affected": "2.9.8"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.9.8",
            "v2.9.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14567.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://gitlab.gnome.org/gnome/libxml2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "18890f471c420411aa3c989e104d090966ec9dbf"
                },
                {
                  "last_affected": "18890f471c420411aa3c989e104d090966ec9dbf"
                },
                {
                  "fixed": "2240fbf5912054af025fb6e01e26375100275e74"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:xmlsoft:libxml2:2.9.8:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.9.8"
                      },
                      {
                        "last_affected": "2.9.8"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "2240fbf5912054af025fb6e01e26375100275e74"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.9.8",
            "v2.9.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14567.json",
            "vanir_signatures": [
              {
                "id": "CVE-2018-14567-4f46ece2",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "180852597283234191320325602637907269614",
                    "338566676761864653687960394883719715518",
                    "128194818745751110047126713028665673632",
                    "53886373313040199494115610631405926464",
                    "154090113065312238612875589847642699686",
                    "56055175083893272436552181506669000581",
                    "293264161075667267437457899580703606926",
                    "237979520882579413700949028830992222305"
                  ]
                },
                "source": "https://gitlab.gnome.org/gnome/libxml2@2240fbf5912054af025fb6e01e26375100275e74",
                "target": {
                  "file": "xzlib.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-14567-ea8cbb44",
                "digest": {
                  "length": 2752,
                  "function_hash": "92334495056954850005331007548415777608"
                },
                "source": "https://gitlab.gnome.org/gnome/libxml2@2240fbf5912054af025fb6e01e26375100275e74",
                "target": {
                  "file": "xzlib.c",
                  "function": "xz_decomp"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-24T14:20:54Z"
          }
        }
      ],
      "modified": "2026-10-24T14:20:54.539338135Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
        "https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html",
        "https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html",
        "https://usn.ubuntu.com/3739-1/",
        "https://gitlab.gnome.org/GNOME/libxml2/commit/2240fbf5912054af025fb6e01e26375100275e74"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "14.04"
                  },
                  {
                    "last_affected": "14.04"
                  },
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-14567",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443545,
  "published_at": "2018-08-16T20:29:02.47+00:00"
}