{ "document": { "aggregate_severity": { "text": "Critical" }, "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/2023/cve-2023-25725-els_os-centos7els.json" } ], "tracking": { "current_release_date": "2026-10-15T17:39:55Z", "generator": { "date": "2026-10-15T17:39:55Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2023-25725-ELS_OS-CENTOS7ELS", "initial_release_date": "2023-02-14T19:15:00Z", "revision_history": [ { "date": "2023-02-14T19:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-09-29T14:59:10Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-10-15T17:39:55Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2023-25725" }, "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": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686", "product": { "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686", "product_id": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/haproxy@1.5.18-9.el7_9.1.tuxcare.els1?arch=i686" } } } ], "category": "architecture", "name": "i686" }, { "branches": [ { "category": "product_version", "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64", "product": { "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64", "product_id": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/haproxy@1.5.18-9.el7_9.1.tuxcare.els1?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686" }, "product_reference": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686", "relates_to_product_reference": "CentOS-7" }, { "category": "default_component_of", "full_product_name": { "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 7", "product_id": "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64" }, "product_reference": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-25725", "notes": [ { "category": "description", "text": "HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka \"request smuggling.\" The HTTP header parsers in HAProxy may accept empty header field names, which could be used to truncate the list of HTTP headers and thus make some headers disappear after being parsed and processed for HTTP/1.0 and HTTP/1.1. For HTTP/2 and HTTP/3, the impact is limited because the headers disappear before being parsed and processed, as if they had not been sent by the client. The fixed versions are 2.7.3, 2.6.9, 2.5.12, 2.4.22, 2.2.29, and 2.0.31.", "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": [ "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686", "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2023-25725" }, { "category": "external", "summary": "https://git.haproxy.org/?p=haproxy-2.7.git%3Ba=commit%3Bh=a0e561ad7f29ed50c473f5a9da664267b60d1112", "url": "https://git.haproxy.org/?p=haproxy-2.7.git%3Ba=commit%3Bh=a0e561ad7f29ed50c473f5a9da664267b60d1112" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2023/02/msg00012.html", "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00012.html" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPTJQHKUEU2PQ7RWFUYAFLAD4STEIKHU/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPTJQHKUEU2PQ7RWFUYAFLAD4STEIKHU/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JM5NCIBTHYDTLPY2UNC4HO2VAHHE6CJG/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JM5NCIBTHYDTLPY2UNC4HO2VAHHE6CJG/" }, { "category": "external", "summary": "https://www.debian.org/security/2023/dsa-5348", "url": "https://www.debian.org/security/2023/dsa-5348" }, { "category": "external", "summary": "https://www.haproxy.org/", "url": "https://www.haproxy.org/" } ], "release_date": "2023-02-14T19:15:00Z", "threats": [ { "category": "impact", "details": "Critical" }, { "category": "impact", "date": "2026-10-15T17:35:25.055860Z", "details": "The haproxy package for CentOS 7 ELS is not affected by CVE-2023-25725. The vulnerable header-handling code was introduced in later HAProxy versions (1.8/1.9 and newer with multiplexer header lists); the shipped 1.5.18 source predates it and uses the legacy parser, which indexes headers through an explicit next/length chain and cannot truncate the header list on an empty header name.", "product_ids": [ "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686", "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64" ] } ] } ] }