{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_security_advisory", "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" }, { "category": "details", "text": "* SECURITY UPDATE: multiple vulnerabilities in Edge Side Includes (ESI)\n processing\n - debian/rules: build with --disable-esi to remove the vulnerable\n ESI response processor (matches the upstream Squid 6.10 default,\n where ESI support is disabled by default).\n - debian/control: drop libexpat1-dev and libxml2-dev Build-Depends\n as they are no longer required when ESI is disabled.\n - CVE-2024-45802", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777389615", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777389615" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu20.04els/advisories/2026/clsa-2026_1777389615.json" } ], "tracking": { "current_release_date": "2026-04-28T15:20:50Z", "generator": { "date": "2026-04-28T15:20:50Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1777389615", "initial_release_date": "2026-04-28T15:20:50Z", "revision_history": [ { "date": "2026-04-28T15:20:50Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2024-45802" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 20.04", "product": { "name": "Ubuntu 20.04", "product_id": "Ubuntu-20", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product": { "name": "squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product_id": "squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/squidclient@4.10-1ubuntu1.13%2Btuxcare.els3?arch=amd64" } } }, { "category": "product_version", "name": "squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product": { "name": "squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product_id": "squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/squid-cgi@4.10-1ubuntu1.13%2Btuxcare.els3?arch=amd64" } } }, { "category": "product_version", "name": "squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product": { "name": "squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product_id": "squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/squid-purge@4.10-1ubuntu1.13%2Btuxcare.els3?arch=amd64" } } }, { "category": "product_version", "name": "squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product": { "name": "squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product_id": "squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/squid@4.10-1ubuntu1.13%2Btuxcare.els3?arch=amd64" } } } ], "category": "architecture", "name": "amd64" }, { "branches": [ { "category": "product_version", "name": "squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all", "product": { "name": "squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all", "product_id": "squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all", "product_identification_helper": { "purl": "pkg:deb/tuxcare/squid-common@4.10-1ubuntu1.13%2Btuxcare.els3?arch=all" } } } ], "category": "architecture", "name": "all" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64" }, "product_reference": "squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all" }, "product_reference": "squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64" }, "product_reference": "squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64" }, "product_reference": "squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64" }, "product_reference": "squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "relates_to_product_reference": "Ubuntu-20" } ] }, "vulnerabilities": [ { "cve": "CVE-2024-45802", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "notes": [ { "category": "description", "text": "Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to Input Validation, Premature Release of Resource During Expected Lifetime, and Missing Release of Resource after Effective Lifetime bugs, Squid is vulnerable to Denial of Service attacks by a trusted server against all clients using the proxy. This bug is fixed in the default build configuration of Squid version 6.10.", "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": { "fixed": [ "Ubuntu-20:squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all", "Ubuntu-20:squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2024-45802" }, { "category": "external", "summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-f975-v7qw-q7hj", "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-f975-v7qw-q7hj" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/03/msg00009.html", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00009.html" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20250103-0004/", "url": "https://security.netapp.com/advisory/ntap-20250103-0004/" } ], "release_date": "2024-10-28T15:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-04-28T15:20:18.455918Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1777389615", "product_ids": [ "Ubuntu-20:squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all", "Ubuntu-20:squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777389615" } ], "scores": [ { "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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "Ubuntu-20:squid-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squid-cgi-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squid-common-0:4.10-1ubuntu1.13+tuxcare.els3.all", "Ubuntu-20:squid-purge-0:4.10-1ubuntu1.13+tuxcare.els3.amd64", "Ubuntu-20:squidclient-0:4.10-1ubuntu1.13+tuxcare.els3.amd64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }