{ "document": { "aggregate_severity": { "text": "Low" }, "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: OAuth2 bearer token leak on cross-protocol redirect\n - debian/patches/CVE-2025-14524.patch: do not use bearer when following\n redirect unless allow_auth_to_other_hosts is set\n - CVE-2025-14524\n * SECURITY UPDATE: libssh global known_hosts override\n - debian/patches/CVE-2025-15079-CVE-2025-15224.patch: set\n SSH_OPTIONS_GLOBAL_KNOWNHOSTS to same path as SSH_OPTIONS_KNOWNHOSTS\n - CVE-2025-15079\n * SECURITY UPDATE: libssh key passphrase bypass without agent set\n - debian/patches/CVE-2025-15079-CVE-2025-15224.patch: require private\n key or CURLSSH_AUTH_AGENT for public key auth\n - CVE-2025-15224", "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-2026:1773316266", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1773316266" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu20.04els/advisories/2026/clsa-2026_1773316266.json" } ], "tracking": { "current_release_date": "2026-03-12T11:51:58Z", "generator": { "date": "2026-03-12T11:51:58Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1773316266", "initial_release_date": "2026-03-12T11:51:58Z", "revision_history": [ { "date": "2026-03-12T11:51:58Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2025-14524, CVE-2025-15079, CVE-2025-15224" }, "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": "libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "product": { "name": "libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "product_id": "libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "product_identification_helper": { "purl": "pkg:deb/tuxcare/libcurl4-doc@7.68.0-1ubuntu2.25%2Btuxcare.els1?arch=all" } } } ], "category": "architecture", "name": "all" }, { "branches": [ { "category": "product_version", "name": "libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product": { "name": "libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_id": "libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/libcurl3-nss@7.68.0-1ubuntu2.25%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product": { "name": "curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_id": "curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/curl@7.68.0-1ubuntu2.25%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product": { "name": "libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_id": "libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/libcurl4-gnutls-dev@7.68.0-1ubuntu2.25%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product": { "name": "libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_id": "libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/libcurl4-openssl-dev@7.68.0-1ubuntu2.25%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product": { "name": "libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_id": "libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/libcurl4-nss-dev@7.68.0-1ubuntu2.25%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product": { "name": "libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_id": "libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/libcurl3-gnutls@7.68.0-1ubuntu2.25%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product": { "name": "libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_id": "libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/libcurl4@7.68.0-1ubuntu2.25%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all" }, "product_reference": "libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" }, "product_reference": "libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" }, "product_reference": "curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" }, "product_reference": "libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" }, "product_reference": "libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" }, "product_reference": "libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" }, "product_reference": "libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" }, "product_reference": "libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-15224", "cwe": { "id": "CWE-287", "name": "Improper Authentication" }, "notes": [ { "category": "description", "text": "When doing SSH-based transfers using either SCP or SFTP, and asked to do\npublic key authentication, curl would wrongly still ask and authenticate using\na locally running SSH agent.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Ubuntu-20:curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "Ubuntu-20:libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-15224" }, { "category": "external", "summary": "https://curl.se/docs/CVE-2025-15224.html", "url": "https://curl.se/docs/CVE-2025-15224.html" }, { "category": "external", "summary": "https://curl.se/docs/CVE-2025-15224.json", "url": "https://curl.se/docs/CVE-2025-15224.json" }, { "category": "external", "summary": "https://hackerone.com/reports/3480925", "url": "https://hackerone.com/reports/3480925" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/01/07/7", "url": "http://www.openwall.com/lists/oss-security/2026/01/07/7" } ], "release_date": "2026-01-08T10:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-03-12T11:51:08.875720Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1773316266", "product_ids": [ "Ubuntu-20:curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "Ubuntu-20:libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1773316266" } ], "threats": [ { "category": "impact", "details": "Low" } ] }, { "cve": "CVE-2025-14524", "cwe": { "id": "CWE-601", "name": "URL Redirection to Untrusted Site ('Open Redirect')" }, "notes": [ { "category": "description", "text": "When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer\nperforms a cross-protocol redirect to a second URL that uses an IMAP, LDAP,\nPOP3 or SMTP scheme, curl might wrongly pass on the bearer token to the new\ntarget host.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Ubuntu-20:curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "Ubuntu-20:libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-14524" }, { "category": "external", "summary": "https://curl.se/docs/CVE-2025-14524.html", "url": "https://curl.se/docs/CVE-2025-14524.html" }, { "category": "external", "summary": "https://curl.se/docs/CVE-2025-14524.json", "url": "https://curl.se/docs/CVE-2025-14524.json" }, { "category": "external", "summary": "https://hackerone.com/reports/3459417", "url": "https://hackerone.com/reports/3459417" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/01/07/4", "url": "http://www.openwall.com/lists/oss-security/2026/01/07/4" } ], "release_date": "2026-01-08T10:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-03-12T11:51:08.875720Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1773316266", "product_ids": [ "Ubuntu-20:curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "Ubuntu-20:libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1773316266" } ], "threats": [ { "category": "impact", "details": "Low" } ] }, { "cve": "CVE-2025-15079", "cwe": { "id": "CWE-297", "name": "Improper Validation of Certificate with Host Mismatch" }, "notes": [ { "category": "description", "text": "When doing SSH-based transfers using either SCP or SFTP, and setting the\nknown_hosts file, libcurl could still mistakenly accept connecting to hosts\n*not present* in the specified file if they were added as recognized in the\nlibssh *global* known_hosts file.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Ubuntu-20:curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "Ubuntu-20:libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-15079" }, { "category": "external", "summary": "https://curl.se/docs/CVE-2025-15079.html", "url": "https://curl.se/docs/CVE-2025-15079.html" }, { "category": "external", "summary": "https://curl.se/docs/CVE-2025-15079.json", "url": "https://curl.se/docs/CVE-2025-15079.json" }, { "category": "external", "summary": "https://hackerone.com/reports/3477116", "url": "https://hackerone.com/reports/3477116" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/01/07/6", "url": "http://www.openwall.com/lists/oss-security/2026/01/07/6" } ], "release_date": "2026-01-08T10:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-03-12T11:51:08.875720Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1773316266", "product_ids": [ "Ubuntu-20:curl-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-gnutls-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl3-nss-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-doc-0:7.68.0-1ubuntu2.25+tuxcare.els1.all", "Ubuntu-20:libcurl4-gnutls-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-nss-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64", "Ubuntu-20:libcurl4-openssl-dev-0:7.68.0-1ubuntu2.25+tuxcare.els1.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1773316266" } ], "threats": [ { "category": "impact", "details": "Low" } ] } ] }