{ "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":"python-ply security update", "category":"general", "title":"Synopsis" }, { "text":"An update for python-ply is now available for openEuler-24.03-LTS", "category":"general", "title":"Summary" }, { "text":"/ply/\n/ply--*.egg-info/\n\n\nSecurity Fix(es):\n\nAn undocumented and unsafe feature in the PLY (Python Lex-Yacc) library 3.11 allows Remote Code Execution (RCE) via the `picklefile` parameter in the `yacc()` function. This parameter accepts a `.pkl` file that is deserialized with `pickle.load()` without validation. Because `pickle` allows execution of embedded code via `__reduce__()`, an attacker can achieve code execution by passing a malicious pickle file. The parameter is not mentioned in official documentation or the GitHub repository, yet it is active in the PyPI version. This introduces a stealthy backdoor and persistence risk. NOTE: A third-party states that this vulnerability should be rejected because the proof of concept does not demonstrate arbitrary code execution and fails to complete successfully.(CVE-2025-56005)", "category":"general", "title":"Description" }, { "text":"An update for python-ply is now available for master/openEuler-20.03-LTS-SP4/openEuler-22.03-LTS-SP4/openEuler-24.03-LTS/openEuler-24.03-LTS-Next/openEuler-24.03-LTS-SP1/openEuler-24.03-LTS-SP2/openEuler-24.03-LTS-SP3.\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":"python-ply", "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-2026-1595", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1595" }, { "summary":"CVE-2025-56005", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2025-56005&packageName=python-ply" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2025-56005" }, { "summary":"openEuler-SA-2026-1595 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/advisories/2026/csaf-openeuler-sa-2026-1595.json" } ], "title":"An update for python-ply is now available for openEuler-24.03-LTS", "tracking":{ "initial_release_date":"2026-03-15T13:56:25+08:00", "revision_history":[ { "date":"2026-03-15T13:56:25+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2026-03-15T13:56:25+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2026-03-15T13:56:25+08:00", "id":"openEuler-SA-2026-1595", "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:24.03-LTS" }, "product_id":"openEuler-24.03-LTS", "name":"openEuler-24.03-LTS" }, "name":"openEuler-24.03-LTS", "category":"product_version" } ], "category":"product_name" }, { "name":"src", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS" }, "product_id":"python-ply-3.11-4.oe2403.src.rpm", "name":"python-ply-3.11-4.oe2403.src.rpm" }, "name":"python-ply-3.11-4.oe2403.src.rpm", "category":"product_version" } ], "category":"architecture" }, { "name":"noarch", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS" }, "product_id":"python-ply-help-3.11-4.oe2403.noarch.rpm", "name":"python-ply-help-3.11-4.oe2403.noarch.rpm" }, "name":"python-ply-help-3.11-4.oe2403.noarch.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS" }, "product_id":"python3-ply-3.11-4.oe2403.noarch.rpm", "name":"python3-ply-3.11-4.oe2403.noarch.rpm" }, "name":"python3-ply-3.11-4.oe2403.noarch.rpm", "category":"product_version" } ], "category":"architecture" } ] } ], "relationships":[ { "relates_to_product_reference":"openEuler-24.03-LTS", "product_reference":"python-ply-3.11-4.oe2403.src.rpm", "full_product_name":{ "product_id":"openEuler-24.03-LTS:python-ply-3.11-4.oe2403.src", "name":"python-ply-3.11-4.oe2403.src as a component of openEuler-24.03-LTS" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-24.03-LTS", "product_reference":"python-ply-help-3.11-4.oe2403.noarch.rpm", "full_product_name":{ "product_id":"openEuler-24.03-LTS:python-ply-help-3.11-4.oe2403.noarch", "name":"python-ply-help-3.11-4.oe2403.noarch as a component of openEuler-24.03-LTS" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-24.03-LTS", "product_reference":"python3-ply-3.11-4.oe2403.noarch.rpm", "full_product_name":{ "product_id":"openEuler-24.03-LTS:python3-ply-3.11-4.oe2403.noarch", "name":"python3-ply-3.11-4.oe2403.noarch as a component of openEuler-24.03-LTS" }, "category":"default_component_of" } ] }, "vulnerabilities":[ { "cve":"CVE-2025-56005", "notes":[ { "text":"An undocumented and unsafe feature in the PLY (Python Lex-Yacc) library 3.11 allows Remote Code Execution (RCE) via the `picklefile` parameter in the `yacc()` function. This parameter accepts a `.pkl` file that is deserialized with `pickle.load()` without validation. Because `pickle` allows execution of embedded code via `__reduce__()`, an attacker can achieve code execution by passing a malicious pickle file. The parameter is not mentioned in official documentation or the GitHub repository, yet it is active in the PyPI version. This introduces a stealthy backdoor and persistence risk. NOTE: A third-party states that this vulnerability should be rejected because the proof of concept does not demonstrate arbitrary code execution and fails to complete successfully.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS:python-ply-3.11-4.oe2403.src", "openEuler-24.03-LTS:python-ply-help-3.11-4.oe2403.noarch", "openEuler-24.03-LTS:python3-ply-3.11-4.oe2403.noarch" ] }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"python-ply security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1595" } ], "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-2025-56005" } ] }