CVE-2018-1000127

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Source
https://cve.org/CVERecord?id=CVE-2018-1000127
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000127.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-1000127
Downstream
Related
Published
2018-03-13T21:29:00Z
Modified
2026-10-20T13:25:24Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "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:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "14.04"
                        },
                        {
                            "last_affected":  "14.04"
                        },
                        {
                            "introduced":  "16.04"
                        },
                        {
                            "last_affected":  "16.04"
                        },
                        {
                            "introduced":  "17.10"
                        },
                        {
                            "last_affected":  "17.10"
                        }
                    ],
                    "source":  "CPE_STRING"
                }
            ],
            "vendor_product":  "canonical:ubuntu_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "7.0"
                        },
                        {
                            "last_affected":  "7.0"
                        },
                        {
                            "introduced":  "8.0"
                        },
                        {
                            "last_affected":  "8.0"
                        },
                        {
                            "introduced":  "9.0"
                        },
                        {
                            "last_affected":  "9.0"
                        }
                    ],
                    "source":  "CPE_STRING"
                }
            ],
            "vendor_product":  "debian:debian_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "10"
                        },
                        {
                            "last_affected":  "10"
                        }
                    ],
                    "source":  "CPE_STRING"
                }
            ],
            "vendor_product":  "redhat:openstack"
        }
    ]
}
References

Affected packages

Git / github.com/memcached/memcached

Affected ranges

Type
GIT
Repo
https://github.com/memcached/memcached
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e01bc5cca551845ea139aceefc484f303901cdc2
Fixed
a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "1.4.37"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

1.*
1.2.0
1.2.1
1.2.2
1.2.3
1.2.4
1.3.2
1.3.3
1.4-rc1
1.4.0
1.4.0-rc1
1.4.1
1.4.1-rc1
1.4.10
1.4.11
1.4.11-beta1
1.4.11-rc1
1.4.12
1.4.13
1.4.14
1.4.15
1.4.16
1.4.17
1.4.18
1.4.19
1.4.2
1.4.2-rc1
1.4.20
1.4.21
1.4.22
1.4.23
1.4.24
1.4.25
1.4.26
1.4.27
1.4.28
1.4.29
1.4.3
1.4.3-rc1
1.4.3-rc2
1.4.30
1.4.31
1.4.32
1.4.33
1.4.34
1.4.35
1.4.36
1.4.4
1.4.5
1.4.6
1.4.6-rc1
1.4.7
1.4.7-rc1
1.4.8
1.4.8-rc1
1.4.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000127.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "116175525107071235762775892892593526687",
                "308621949887795613377179406419254760338",
                "281313450733406634634394832369241572595",
                "101408851915396029955846791138291327528",
                "261625265653122859267635819570464207182",
                "280434054283072272031618508016491721137",
                "103569882656745051580092083023746586535"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2018-1000127-17b1fd8c",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00",
        "target":  {
            "file":  "memcached.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "248674664190854414244357360897815887031",
            "length":  4182
        },
        "id":  "CVE-2018-1000127-84185067",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00",
        "target":  {
            "file":  "memcached.c",
            "function":  "process_get_command"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "175461750493000930897935924848337101969",
                "192269655367187617408254834074186477970",
                "221242958252238329203403321540853667933",
                "145913096158709222671633809507516731853",
                "48323816591972118539143361778528515586",
                "333297424530467483537118466602470704463",
                "91505168211258024554534896352683346793",
                "51013546737901549558574275492483305384",
                "254391355791058172497881152196370990023",
                "336950469602497612571733335929510696835",
                "338630215160596220277362880841591758988",
                "217943372716051384462705078436889564848",
                "63953160723002453408594560121226292737",
                "320025473947188511227975556504958860334",
                "38124705616753464304736035920851759990"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2018-1000127-d2333629",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/memcached/memcached/commit/e01bc5cca551845ea139aceefc484f303901cdc2",
        "target":  {
            "file":  "items.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "258462072439635049322093280535354653052",
            "length":  1697
        },
        "id":  "CVE-2018-1000127-e0e7515e",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/memcached/memcached/commit/e01bc5cca551845ea139aceefc484f303901cdc2",
        "target":  {
            "file":  "items.c",
            "function":  "lru_maintainer_crawler_check"
        }
    }
]
vanir_signatures_modified 
"2026-10-20T13:25:24Z"