{"id":"CVE-2018-1000127","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.","modified":"2026-04-11T03:11:50.111512Z","published":"2018-03-13T21:29:00.477Z","related":["openSUSE-SU-2024:11045-1"],"references":[{"type":"ADVISORY","url":"https://github.com/memcached/memcached/wiki/ReleaseNotes1437"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/03/msg00031.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3601-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4218"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:2290"},{"type":"ADVISORY","url":"https://github.com/memcached/memcached/issues/271"},{"type":"FIX","url":"https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/memcached/memcached","events":[{"introduced":"0"},{"fixed":"e01bc5cca551845ea139aceefc484f303901cdc2"},{"fixed":"a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.4.37"}]}}],"versions":["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":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]},{"events":[{"introduced":"0"},{"last_affected":"10"}]}],"vanir_signatures_modified":"2026-04-11T03:11:50Z","vanir_signatures":[{"digest":{"line_hashes":["116175525107071235762775892892593526687","308621949887795613377179406419254760338","281313450733406634634394832369241572595","101408851915396029955846791138291327528","261625265653122859267635819570464207182","280434054283072272031618508016491721137","103569882656745051580092083023746586535"],"threshold":0.9},"signature_version":"v1","id":"CVE-2018-1000127-17b1fd8c","deprecated":false,"target":{"file":"memcached.c"},"source":"https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00","signature_type":"Line"},{"digest":{"length":4182,"function_hash":"248674664190854414244357360897815887031"},"signature_version":"v1","id":"CVE-2018-1000127-84185067","deprecated":false,"target":{"file":"memcached.c","function":"process_get_command"},"source":"https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00","signature_type":"Function"},{"digest":{"line_hashes":["175461750493000930897935924848337101969","192269655367187617408254834074186477970","221242958252238329203403321540853667933","145913096158709222671633809507516731853","48323816591972118539143361778528515586","333297424530467483537118466602470704463","91505168211258024554534896352683346793","51013546737901549558574275492483305384","254391355791058172497881152196370990023","336950469602497612571733335929510696835","338630215160596220277362880841591758988","217943372716051384462705078436889564848","63953160723002453408594560121226292737","320025473947188511227975556504958860334","38124705616753464304736035920851759990"],"threshold":0.9},"signature_version":"v1","id":"CVE-2018-1000127-d2333629","deprecated":false,"target":{"file":"items.c"},"source":"https://github.com/memcached/memcached/commit/e01bc5cca551845ea139aceefc484f303901cdc2","signature_type":"Line"},{"digest":{"length":1697,"function_hash":"258462072439635049322093280535354653052"},"signature_version":"v1","id":"CVE-2018-1000127-e0e7515e","deprecated":false,"target":{"file":"items.c","function":"lru_maintainer_crawler_check"},"source":"https://github.com/memcached/memcached/commit/e01bc5cca551845ea139aceefc484f303901cdc2","signature_type":"Function"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000127.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}