{ "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/centos7els/vex/2026/cve-2026-5773-els_os-centos7els.json" } ], "tracking": { "current_release_date": "2026-07-29T04:26:16Z", "generator": { "date": "2026-07-29T04:26:16Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-5773-ELS_OS-CENTOS7ELS", "initial_release_date": "2026-05-13T13:01:00Z", "revision_history": [ { "date": "2026-05-13T13:01:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-07-28T01:36:09Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-07-29T04:26:16Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2026-5773" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Community Enterprise Operating System 7", "product": { "name": "Community Enterprise Operating System 7", "product_id": "CentOS-7", "product_identification_helper": { "cpe": "cpe:2.3:o:centos:centos:7:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Community Enterprise Operating System" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "product": { "name": "libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "product_id": "libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/libcurl-devel@7.29.0-59.el7_9.1.tuxcare.els1?arch=i686" } } }, { "category": "product_version", "name": 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"CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els2.i686" }, "product_reference": "libcurl-0:7.29.0-59.el7_9.1.tuxcare.els2.i686", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64" }, "product_reference": "libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.i686 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.i686" }, "product_reference": "libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.i686", "relates_to_product_reference": "CentOS-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-5773", "cwe": { "id": "CWE-918", "name": "Server-Side Request Forgery (SSRF)" }, "notes": [ { "category": "description", "text": "libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different 'share' than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.", "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-7:curl-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:curl-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:curl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els2.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els2.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.2.tuxcare.els1.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-5773" }, { "category": "external", "summary": "https://curl.se/docs/CVE-2026-5773.html", "url": "https://curl.se/docs/CVE-2026-5773.html" }, { "category": "external", "summary": "https://curl.se/docs/CVE-2026-5773.json", "url": "https://curl.se/docs/CVE-2026-5773.json" }, { "category": "external", "summary": "https://hackerone.com/reports/3650689", "url": "https://hackerone.com/reports/3650689" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/04/29/9", "url": "http://www.openwall.com/lists/oss-security/2026/04/29/9" } ], "release_date": "2026-05-13T13:01:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "products": [ "CentOS-7:curl-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:curl-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:curl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els2.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els2.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.2.tuxcare.els1.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" }, { "category": "impact", "date": "2026-07-29T02:37:44.440930Z", "details": "important", "product_ids": [ "CentOS-7:curl-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:curl-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:curl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els2.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.i686", "CentOS-7:libcurl-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els1.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els2.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.1.tuxcare.els2.x86_64", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.2.tuxcare.els1.i686", "CentOS-7:libcurl-devel-0:7.29.0-59.el7_9.2.tuxcare.els1.x86_64" ] } ] } ] }