{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"Critical" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"libssh security update", "category":"general", "title":"Synopsis" }, { "text":"An update for libssh is now available for openEuler-20.03-LTS-SP4", "category":"general", "title":"Summary" }, { "text":"The ssh library was designed to be used by programmers needing a working SSH\nimplementation by the mean of a library. The complete control of the client is\nmade by the programmer. With libssh, you can remotely execute programs, transfer\nfiles, use a secure and transparent tunnel for your remote programs. With its\nSecure FTP implementation, you can play with remote files easily, without\nthird-party programs others than libcrypto (from openssl).\n\n\nSecurity Fix(es):\n\nA weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftp_extensions_get_name/sftp_extensions_get_data of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may be performed from remote. Upgrading to version 0.11.4 and 0.12.0 is sufficient to resolve this issue. This patch is called 855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60. You should upgrade the affected component.(CVE-2026-3731)", "category":"general", "title":"Description" }, { "text":"An update for libssh is now available for openEuler-20.03-LTS-SP4.\n\nopenEuler Security has rated this update as having a security impact of critical. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.", "category":"general", "title":"Topic" }, { "text":"Critical", "category":"general", "title":"Severity" }, { "text":"libssh", "category":"general", "title":"Affected Component" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"openEuler-SA-2026-1653", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1653" }, { "summary":"CVE-2026-3731", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-3731&packageName=libssh" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3731" }, { "summary":"openEuler-SA-2026-1653 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/advisories/2026/csaf-openeuler-sa-2026-1653.json" } ], "title":"An update for libssh is now available for openEuler-20.03-LTS-SP4", "tracking":{ "initial_release_date":"2026-03-20T22:25:40+08:00", "revision_history":[ { "date":"2026-03-20T22:25:40+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2026-03-20T22:25:40+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2026-03-20T22:25:40+08:00", "id":"openEuler-SA-2026-1653", "version":"1.0.0", "status":"final" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"openEuler-20.03-LTS-SP4", "name":"openEuler-20.03-LTS-SP4" }, "name":"openEuler-20.03-LTS-SP4", "category":"product_version" } ], "category":"product_name" }, { "name":"aarch64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-0.9.4-16.oe2003sp4.aarch64.rpm", "name":"libssh-0.9.4-16.oe2003sp4.aarch64.rpm" }, "name":"libssh-0.9.4-16.oe2003sp4.aarch64.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-debuginfo-0.9.4-16.oe2003sp4.aarch64.rpm", "name":"libssh-debuginfo-0.9.4-16.oe2003sp4.aarch64.rpm" }, "name":"libssh-debuginfo-0.9.4-16.oe2003sp4.aarch64.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-debugsource-0.9.4-16.oe2003sp4.aarch64.rpm", "name":"libssh-debugsource-0.9.4-16.oe2003sp4.aarch64.rpm" }, "name":"libssh-debugsource-0.9.4-16.oe2003sp4.aarch64.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-devel-0.9.4-16.oe2003sp4.aarch64.rpm", "name":"libssh-devel-0.9.4-16.oe2003sp4.aarch64.rpm" }, "name":"libssh-devel-0.9.4-16.oe2003sp4.aarch64.rpm", "category":"product_version" } ], "category":"architecture" }, { "name":"src", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-0.9.4-16.oe2003sp4.src.rpm", "name":"libssh-0.9.4-16.oe2003sp4.src.rpm" }, "name":"libssh-0.9.4-16.oe2003sp4.src.rpm", "category":"product_version" } ], "category":"architecture" }, { "name":"x86_64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-0.9.4-16.oe2003sp4.x86_64.rpm", "name":"libssh-0.9.4-16.oe2003sp4.x86_64.rpm" }, "name":"libssh-0.9.4-16.oe2003sp4.x86_64.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-debuginfo-0.9.4-16.oe2003sp4.x86_64.rpm", "name":"libssh-debuginfo-0.9.4-16.oe2003sp4.x86_64.rpm" }, "name":"libssh-debuginfo-0.9.4-16.oe2003sp4.x86_64.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-debugsource-0.9.4-16.oe2003sp4.x86_64.rpm", "name":"libssh-debugsource-0.9.4-16.oe2003sp4.x86_64.rpm" }, "name":"libssh-debugsource-0.9.4-16.oe2003sp4.x86_64.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-devel-0.9.4-16.oe2003sp4.x86_64.rpm", "name":"libssh-devel-0.9.4-16.oe2003sp4.x86_64.rpm" }, "name":"libssh-devel-0.9.4-16.oe2003sp4.x86_64.rpm", "category":"product_version" } ], "category":"architecture" }, { "name":"noarch", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"libssh-help-0.9.4-16.oe2003sp4.noarch.rpm", "name":"libssh-help-0.9.4-16.oe2003sp4.noarch.rpm" }, "name":"libssh-help-0.9.4-16.oe2003sp4.noarch.rpm", "category":"product_version" } ], "category":"architecture" } ] } ], "relationships":[ { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-0.9.4-16.oe2003sp4.aarch64.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-0.9.4-16.oe2003sp4.aarch64", "name":"libssh-0.9.4-16.oe2003sp4.aarch64 as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-debuginfo-0.9.4-16.oe2003sp4.aarch64.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-debuginfo-0.9.4-16.oe2003sp4.aarch64", "name":"libssh-debuginfo-0.9.4-16.oe2003sp4.aarch64 as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-debugsource-0.9.4-16.oe2003sp4.aarch64.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-debugsource-0.9.4-16.oe2003sp4.aarch64", "name":"libssh-debugsource-0.9.4-16.oe2003sp4.aarch64 as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-devel-0.9.4-16.oe2003sp4.aarch64.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-devel-0.9.4-16.oe2003sp4.aarch64", "name":"libssh-devel-0.9.4-16.oe2003sp4.aarch64 as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-0.9.4-16.oe2003sp4.src.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-0.9.4-16.oe2003sp4.src", "name":"libssh-0.9.4-16.oe2003sp4.src as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-0.9.4-16.oe2003sp4.x86_64.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-0.9.4-16.oe2003sp4.x86_64", "name":"libssh-0.9.4-16.oe2003sp4.x86_64 as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-debuginfo-0.9.4-16.oe2003sp4.x86_64.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-debuginfo-0.9.4-16.oe2003sp4.x86_64", "name":"libssh-debuginfo-0.9.4-16.oe2003sp4.x86_64 as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-debugsource-0.9.4-16.oe2003sp4.x86_64.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-debugsource-0.9.4-16.oe2003sp4.x86_64", "name":"libssh-debugsource-0.9.4-16.oe2003sp4.x86_64 as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-devel-0.9.4-16.oe2003sp4.x86_64.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-devel-0.9.4-16.oe2003sp4.x86_64", "name":"libssh-devel-0.9.4-16.oe2003sp4.x86_64 as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"libssh-help-0.9.4-16.oe2003sp4.noarch.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:libssh-help-0.9.4-16.oe2003sp4.noarch", "name":"libssh-help-0.9.4-16.oe2003sp4.noarch as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" } ] }, "vulnerabilities":[ { "cve":"CVE-2026-3731", "notes":[ { "text":"A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftp_extensions_get_name/sftp_extensions_get_data of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may be performed from remote. Upgrading to version 0.11.4 and 0.12.0 is sufficient to resolve this issue. This patch is called 855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60. You should upgrade the affected component.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-20.03-LTS-SP4:libssh-0.9.4-16.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:libssh-debuginfo-0.9.4-16.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:libssh-debugsource-0.9.4-16.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:libssh-devel-0.9.4-16.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:libssh-0.9.4-16.oe2003sp4.src", "openEuler-20.03-LTS-SP4:libssh-0.9.4-16.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:libssh-debuginfo-0.9.4-16.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:libssh-debugsource-0.9.4-16.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:libssh-devel-0.9.4-16.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:libssh-help-0.9.4-16.oe2003sp4.noarch" ] }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"libssh security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1653" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"CRITICAL", "baseScore":9.8, "vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version":"3.1" }, "products":{"$ref":"$.vulnerabilities[0].product_status.fixed"} } ], "threats":[ { "details":"Critical", "category":"impact" } ], "title":"CVE-2026-3731" } ] }