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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-1000300

curl version curl 7.54.1 to and including curl 7.59.0 contains a CWE-122: Heap-based Buffer Overflow vulnerability in denial of service and more that can result in curl might overflow a heap based memory buffer when closing down an FTP connection with very long server command replies.. This vulnerability appears to have been fixed in curl < 7.54.1 and curl >= 7.60.0.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-1000300
Confirmed fixed CVEs
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Updated in this feed
1 Nov 2026, 06:11 UTC · Revision 1

Source evidence

CVE-2018-1000300

core-osv · Original source

Published 24 May 2018, 13:29 UTC

curl version curl 7.54.1 to and including curl 7.59.0 contains a CWE-122: Heap-based Buffer Overflow vulnerability in denial of service and more that can result in curl might overflow a heap based memory buffer when closing down an FTP connection with very long server command replies.. This vulnerability appears to have been fixed in curl < 7.54.1 and curl >= 7.60.0.

osv:CVE-2018-1000300
Complete source record
{
  "id": "37aef87281eef8e906d36057ee7ce7ac946ed9e9232a1ffa8fe05600edbe747f",
  "url": "https://osv.dev/vulnerability/CVE-2018-1000300",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-1000300",
    "summary": "curl version curl 7.54.1 to and including curl 7.59.0 contains a CWE-122: Heap-based Buffer Overflow vulnerability in denial of service and more that can result in curl might overflow a heap based memory buffer when closing down an FTP connection with very long server command replies.. This vulnerability appears to have been fixed in curl < 7.54.1 and curl >= 7.60.0.",
    "evidence": "osv:CVE-2018-1000300",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-1000300",
      "aliases": [
        "CURL-CVE-2018-1000300",
        "CVE-2018-1000300"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/curl/curl",
              "type": "GIT",
              "events": [
                {
                  "introduced": "54b636f14546d3fde9f9c67c3b32701d78563161"
                },
                {
                  "last_affected": "4d6bd91ab33328c6d27eddc32e064defc02dc4fd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.54.1"
                      },
                      {
                        "last_affected": "7.59.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "curl-7_59_0",
            "curl-7_58_0",
            "curl-7_57_0",
            "curl-7_56_1",
            "curl-7_56_0",
            "curl-7_55_1",
            "curl-7_55_0",
            "curl-7_54_1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000300.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:36.537328445Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/201806-05",
        "https://usn.ubuntu.com/3648-1/",
        "https://curl.haxx.se/docs/adv_2018-82c2.html",
        "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
      ],
      "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:17.10:*:*:*:*:*:*:*",
              "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": "17.10"
                  },
                  {
                    "last_affected": "17.10"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-1000300",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434003,
  "published_at": "2018-05-24T13:29:01.337+00:00"
}