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memcached — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2018-1000127

memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list. This attack appear to be exploitable via network connectivity to the memcached service. This vulnerability appears to have been fixed in 1.4.37 and later.

Products
memcached
Affected versions
Not specified
Fixed versions
1.5.0-1
CVEs
CVE-2018-1000127
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 01:28 UTC · Revision 1

Source evidence

DEBIAN-CVE-2018-1000127

core-osv · Original source

Published 13 Mar 2018, 21:29 UTC

memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list. This attack appear to be exploitable via network connectivity to the memcached service. This vulnerability appears to have been fixed in 1.4.37 and later.

osv:DEBIAN-CVE-2018-1000127

memcached

Fixed versions: 1.5.0-1

memcached

Fixed versions: 1.5.0-1

memcached

Fixed versions: 1.5.0-1

Complete source record
{
  "id": "d6f6aaca4e08250ff35e02e873134b8c0573593051ea526581adad42a78d7036",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-1000127",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2018-1000127",
    "summary": "memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list. This attack appear to be exploitable via network connectivity to the memcached service. This vulnerability appears to have been fixed in 1.4.37 and later.",
    "evidence": "osv:DEBIAN-CVE-2018-1000127",
    "products": [
      {
        "name": {
          "value": "memcached",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.5.0-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "memcached",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.5.0-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "memcached",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.5.0-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2018-1000127",
      "aliases": [
        "DEBIAN-CVE-2018-1000127"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.5.0-1"
                }
              ]
            }
          ],
          "package": {
            "name": "memcached",
            "purl": "pkg:deb/debian/memcached?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000127.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.5.0-1"
                }
              ]
            }
          ],
          "package": {
            "name": "memcached",
            "purl": "pkg:deb/debian/memcached?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000127.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.5.0-1"
                }
              ]
            }
          ],
          "package": {
            "name": "memcached",
            "purl": "pkg:deb/debian/memcached?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000127.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T18:04:46.438284878Z",
      "provider": "osv",
      "upstream": [
        "CVE-2018-1000127"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2018-1000127"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2018-1000127",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 423662,
  "published_at": "2018-03-13T21:29:00.477+00:00"
}