{ "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/ubuntu18.04els/vex/2020/cve-2020-8277-els_os-ubuntu18_04els.json" } ], "tracking": { "current_release_date": "2026-08-25T13:39:52Z", "generator": { "date": "2026-08-25T13:39:52Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2020-8277-ELS_OS-UBUNTU18.04ELS", "initial_release_date": "2020-11-19T01:15:00Z", "revision_history": [ { "date": "2020-11-19T01:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-08-25T13:39:52Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security update on CVE-2020-8277" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 18.04", "product": { "name": "Ubuntu 18.04", "product_id": "Ubuntu-18", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "libc-ares-dev-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "product": { "name": "libc-ares-dev-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "product_id": "libc-ares-dev-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libc-ares-dev@1.14.0-1ubuntu0.2%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libc-ares2-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "product": { "name": "libc-ares2-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "product_id": "libc-ares2-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/libc-ares2@1.14.0-1ubuntu0.2%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" } ], "category": "vendor", "name": "CloudLinux" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "libc-ares-dev-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:libc-ares-dev-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64" }, "product_reference": "libc-ares-dev-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-18" }, { "category": "default_component_of", "full_product_name": { "name": "libc-ares2-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64 as a component of Ubuntu 18.04", "product_id": "Ubuntu-18:libc-ares2-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64" }, "product_reference": "libc-ares2-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-18" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-8277", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "notes": [ { "category": "description", "text": "A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the application to resolve a DNS record with a larger number of responses. This is fixed in 15.2.1, 14.15.1, and 12.19.1.", "title": "Vulnerability description" }, { "category": "other", "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.", "title": "Statement" } ], "product_status": { "known_not_affected": [ "Ubuntu-18:libc-ares-dev-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "Ubuntu-18:libc-ares2-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2020-8277" }, { "category": "external", "summary": "https://hackerone.com/reports/1033107", "url": "https://hackerone.com/reports/1033107" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7WH7W46OZSEUHWBHD7TCH3LRFY52V6Z/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7WH7W46OZSEUHWBHD7TCH3LRFY52V6Z/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEJBY3RJB3XWUOJFGZM5E3EMQ7MFM3UT/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEJBY3RJB3XWUOJFGZM5E3EMQ7MFM3UT/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEIV4CH6KNVZK63Y6EKVN2XDW7IHSJBJ/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEIV4CH6KNVZK63Y6EKVN2XDW7IHSJBJ/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXLJY4764LYVJPC7NCDLE2UMQ3QC5OI2/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXLJY4764LYVJPC7NCDLE2UMQ3QC5OI2/" }, { "category": "external", "summary": "https://nodejs.org/en/blog/vulnerability/november-2020-security-releases/", "url": "https://nodejs.org/en/blog/vulnerability/november-2020-security-releases/" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/202012-11", "url": "https://security.gentoo.org/glsa/202012-11" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/202101-07", "url": "https://security.gentoo.org/glsa/202101-07" }, { "category": "external", "summary": "https://www.oracle.com//security-alerts/cpujul2021.html", "url": "https://www.oracle.com//security-alerts/cpujul2021.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpuApr2021.html", "url": "https://www.oracle.com/security-alerts/cpuApr2021.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpuapr2022.html", "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpujan2021.html", "url": "https://www.oracle.com/security-alerts/cpujan2021.html" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpuoct2021.html", "url": "https://www.oracle.com/security-alerts/cpuoct2021.html" } ], "release_date": "2020-11-19T01:15:00Z", "threats": [ { "category": "impact", "details": "Important" }, { "category": "impact", "date": "2026-08-20T11:51:18.378030Z", "details": "important", "product_ids": [ "Ubuntu-18:libc-ares-dev-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64", "Ubuntu-18:libc-ares2-0:1.14.0-1ubuntu0.2+tuxcare.els1.amd64" ] } ] } ] }