{ "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/centos8.5els/vex/2020/cve-2020-8450-els_os-centos8_5els.json" } ], "tracking": { "current_release_date": "2026-04-24T16:53:30Z", "generator": { "date": "2026-04-24T16:53:30Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2020-8450-ELS_OS-CENTOS8.5ELS", "initial_release_date": "2020-02-04T20:15:00Z", "revision_history": [ { "date": "2020-02-04T20:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-04-20T16:53:25Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-04-24T16:53:30Z", "number": "3", "summary": "Update 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"category": "default_component_of", "full_product_name": { "name": "squid-7:4.15-1.module_el8.5.0+2162+1bcae461.tuxcare.els7.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2162+1bcae461.tuxcare.els7.x86_64" }, "product_reference": "squid-7:4.15-1.module_el8.5.0+2162+1bcae461.tuxcare.els7.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "squid-7:4.15-1.module_el8.5.0+2164+24c223d9.tuxcare.els8.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2164+24c223d9.tuxcare.els8.x86_64" }, "product_reference": "squid-7:4.15-1.module_el8.5.0+2164+24c223d9.tuxcare.els8.x86_64", "relates_to_product_reference": "CentOS-8.5" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-8450", "cwe": { "id": "CWE-131", "name": "Incorrect Calculation of Buffer Size" }, "notes": [ { "category": "description", "text": "An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.", "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" }, { "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": [ "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2079+24c223d9.tuxcare.els3.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2143+24c223d9.tuxcare.els4.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2151+24c223d9.tuxcare.els5.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2160+24c223d9.tuxcare.els6.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2162+1bcae461.tuxcare.els7.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2164+24c223d9.tuxcare.els8.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2168+2bf62d96.tuxcare.els9.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2170+844797b0.tuxcare.els10.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2228+98c2f670.tuxcare.els11.x86_64", "CentOS-8.5:squid-7:4.15-1.module_el8.5.0+2235+a01b9b37.tuxcare.els12.x86_64", 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"https://cve.tuxcare.com/els/cve/CVE-2020-8450" }, { "category": "external", "summary": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html" }, { "category": "external", "summary": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html" }, { "category": "external", "summary": "http://www.squid-cache.org/Advisories/SQUID-2020_1.txt", "url": "http://www.squid-cache.org/Advisories/SQUID-2020_1.txt" }, { "category": "external", "summary": "http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch", "url": "http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch" }, { "category": "external", "summary": "http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch", "url": "http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch" }, { "category": "external", "summary": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch", "url": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch" }, { "category": "external", "summary": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch", "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch" }, { "category": "external", "summary": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch", "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/202003-34", "url": "https://security.gentoo.org/glsa/202003-34" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20210304-0002/", "url": "https://security.netapp.com/advisory/ntap-20210304-0002/" }, { "category": "external", "summary": "https://usn.ubuntu.com/4289-1/", "url": "https://usn.ubuntu.com/4289-1/" }, { "category": "external", "summary": "https://www.debian.org/security/2020/dsa-4682", "url": "https://www.debian.org/security/2020/dsa-4682" } ], "release_date": "2020-02-04T20:15:00Z", "scores": [ { "cvss_v2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" }, "products": [ 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