{ "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":"mchange-commons security update", "category":"general", "title":"Synopsis" }, { "text":"An update for mchange-commons is now available for openEuler-24.03-LTS,openEuler-24.03-LTS-SP1,openEuler-24.03-LTS-SP2,openEuler-24.03-LTS-SP3,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS-SP4", "category":"general", "title":"Summary" }, { "text":"General tool, part of c3p0.\n\nSecurity Fix(es):\n\nmchange-commons-java, a library that provides Java utilities, includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code. Implementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened. Mirroring the JDK patch, mchange-commons-java's JNDI functionality is gated by configuration parameters that default to restrictive values starting in version 0.4.0. No known workarounds are available. Versions prior to 0.4.0 should be avoided on application CLASSPATHs.(CVE-2026-27727)", "category":"general", "title":"Description" }, { "text":"An update for mchange-commons is now available for master/openEuler-24.03-LTS,openEuler-24.03-LTS-SP1,openEuler-24.03-LTS-SP2,openEuler-24.03-LTS-SP3,openEuler-20.03-LTS-SP4,openEuler-22.03-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":"mchange-commons", "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-2026-1690", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1690" }, { "summary":"CVE-2026-27727", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-27727&packageName=mchange-commons" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27727" }, { "summary":"openEuler-SA-2026-1690 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/advisories/2026/csaf-openeuler-sa-2026-1690.json" } ], "title":"An update for mchange-commons is now available for openEuler-24.03-LTS,openEuler-24.03-LTS-SP1,openEuler-24.03-LTS-SP2,openEuler-24.03-LTS-SP3,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS-SP4", "tracking":{ "initial_release_date":"2026-03-20T22:25:52+08:00", "revision_history":[ { "date":"2026-03-20T22:25:52+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2026-03-20T22:25:52+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2026-03-20T22:25:52+08:00", "id":"openEuler-SA-2026-1690", "version":"1.0.0", "status":"final" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", "branches":[ { "product":{ "product_identification_helper":{ 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}, { "relates_to_product_reference":"openEuler-24.03-LTS-SP3", "product_reference":"mchange-commons-0.2.11-12.oe2403sp3.src.rpm", "full_product_name":{ "product_id":"openEuler-24.03-LTS-SP3:mchange-commons-0.2.11-12.oe2403sp3.src", "name":"mchange-commons-0.2.11-12.oe2403sp3.src as a component of openEuler-24.03-LTS-SP3" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-20.03-LTS-SP4", "product_reference":"mchange-commons-0.2.11-11.oe2003sp4.src.rpm", "full_product_name":{ "product_id":"openEuler-20.03-LTS-SP4:mchange-commons-0.2.11-11.oe2003sp4.src", "name":"mchange-commons-0.2.11-11.oe2003sp4.src as a component of openEuler-20.03-LTS-SP4" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-22.03-LTS-SP4", "product_reference":"mchange-commons-0.2.11-12.oe2203sp4.src.rpm", "full_product_name":{ "product_id":"openEuler-22.03-LTS-SP4:mchange-commons-0.2.11-12.oe2203sp4.src", "name":"mchange-commons-0.2.11-12.oe2203sp4.src as a component of openEuler-22.03-LTS-SP4" }, "category":"default_component_of" } ] }, "vulnerabilities":[ { "cve":"CVE-2026-27727", "notes":[ { "text":"mchange-commons-java, a library that provides Java utilities, includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code. Implementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened. Mirroring the JDK patch, mchange-commons-java's JNDI functionality is gated by configuration parameters that default to restrictive values starting in version 0.4.0. No known workarounds are available. Versions prior to 0.4.0 should be avoided on application CLASSPATHs.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS:mchange-commons-0.2.11-12.oe2403.noarch", "openEuler-24.03-LTS:mchange-commons-help-0.2.11-12.oe2403.noarch", "openEuler-24.03-LTS-SP1:mchange-commons-0.2.11-12.oe2403sp1.noarch", "openEuler-24.03-LTS-SP1:mchange-commons-help-0.2.11-12.oe2403sp1.noarch", "openEuler-24.03-LTS-SP2:mchange-commons-0.2.11-12.oe2403sp2.noarch", "openEuler-24.03-LTS-SP2:mchange-commons-help-0.2.11-12.oe2403sp2.noarch", "openEuler-24.03-LTS-SP3:mchange-commons-0.2.11-12.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:mchange-commons-help-0.2.11-12.oe2403sp3.noarch", "openEuler-20.03-LTS-SP4:mchange-commons-0.2.11-11.oe2003sp4.noarch", "openEuler-20.03-LTS-SP4:mchange-commons-help-0.2.11-11.oe2003sp4.noarch", "openEuler-22.03-LTS-SP4:mchange-commons-0.2.11-12.oe2203sp4.noarch", "openEuler-22.03-LTS-SP4:mchange-commons-help-0.2.11-12.oe2203sp4.noarch", "openEuler-24.03-LTS:mchange-commons-0.2.11-12.oe2403.src", "openEuler-24.03-LTS-SP1:mchange-commons-0.2.11-12.oe2403sp1.src", "openEuler-24.03-LTS-SP2:mchange-commons-0.2.11-12.oe2403sp2.src", "openEuler-24.03-LTS-SP3:mchange-commons-0.2.11-12.oe2403sp3.src", "openEuler-20.03-LTS-SP4:mchange-commons-0.2.11-11.oe2003sp4.src", "openEuler-22.03-LTS-SP4:mchange-commons-0.2.11-12.oe2203sp4.src" ] }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"mchange-commons security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1690" } ], "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-2026-27727" } ] }