{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu16.04els/vex/2018/cve-2018-1000127-els_os-ubuntu16_04els.json" } ], "tracking": { "current_release_date": "2026-04-14T08:59:18Z", "generator": { "date": "2026-04-14T08:59:18Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2018-1000127-ELS_OS-UBUNTU16.04ELS", "initial_release_date": "2018-03-13T21:29:00Z", "revision_history": [ { "date": "2018-03-13T21:29:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-04-14T08:59:18Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security update on CVE-2018-1000127" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 16.04", "product": { "name": "Ubuntu 16.04", "product_id": "Ubuntu-16", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64", "product": { "name": "memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64", "product_id": "memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/memcached@1.4.25-2ubuntu1.5%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" } ], "category": "vendor", "name": "CloudLinux" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64" }, "product_reference": "memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-1000127", "cwe": { "id": "CWE-190", "name": "Integer Overflow or Wraparound" }, "notes": [ { "category": "description", "text": "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.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "under_investigation": [ "Ubuntu-16:memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2018-1000127" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2018:2290", "url": "https://access.redhat.com/errata/RHSA-2018:2290" }, { "category": "external", "summary": "https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00", "url": "https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00" }, { "category": "external", "summary": "https://github.com/memcached/memcached/issues/271", "url": "https://github.com/memcached/memcached/issues/271" }, { "category": "external", "summary": "https://github.com/memcached/memcached/wiki/ReleaseNotes1437", "url": "https://github.com/memcached/memcached/wiki/ReleaseNotes1437" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2018/03/msg00031.html", "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00031.html" }, { "category": "external", "summary": "https://usn.ubuntu.com/3601-1/", "url": "https://usn.ubuntu.com/3601-1/" }, { "category": "external", "summary": "https://www.debian.org/security/2018/dsa-4218", "url": "https://www.debian.org/security/2018/dsa-4218" } ], "release_date": "2018-03-13T21:29:00Z", "remediations": [ { "category": "none_available", "details": "Affected", "product_ids": [ "Ubuntu-16:memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64" ] } ], "scores": [ { "cvss_v2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "Ubuntu-16:memcached-0:1.4.25-2ubuntu1.5+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }