{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2021-20234","title":"Title"},{"category":"description","text":"An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2021-20234","url":"https://www.suse.com/security/cve/CVE-2021-20234"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1176257 for CVE-2021-20234","url":"https://bugzilla.suse.com/1176257"}],"title":"SUSE CVE CVE-2021-20234","tracking":{"current_release_date":"2025-08-18T02:07:19Z","generator":{"date":"2023-02-15T03:47:25Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-20234","initial_release_date":"2023-02-15T03:47:25Z","revision_history":[{"date":"2023-02-15T03:47:25Z","number":"2","summary":"Current version"},{"date":"2025-01-01T04:50:41Z","number":"3","summary":"Current version"},{"date":"2025-01-10T02:52:39Z","number":"4","summary":"Current version"},{"date":"2025-02-15T05:25:16Z","number":"5","summary":"Current version"},{"date":"2025-02-17T05:51:12Z","number":"6","summary":"Current version"},{"date":"2025-03-12T06:32:39Z","number":"7","summary":"Current version"},{"date":"2025-03-13T15:50:01Z","number":"8","summary":"Current version"},{"date":"2025-03-15T09:15:39Z","number":"9","summary":"Current version"},{"date":"2025-04-08T02:35:32Z","number":"10","summary":"Current version"},{"date":"2025-06-26T04:17:12Z","number":"11","summary":"Current version"},{"date":"2025-07-01T01:05:52Z","number":"12","summary":"Current version"},{"date":"2025-08-18T02:07:19Z","number":"13","summary":"Current version"}],"status":"interim","version":"13"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Server 12 SP5","product":{"name":"SUSE Linux Enterprise Server 12 SP5","product_id":"SUSE Linux Enterprise Server 12 SP5","product_identification_helper":{"cpe":"cpe:/o:suse:sles:12:sp5"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server for SAP Applications 12 SP5","product":{"name":"SUSE Linux Enterprise Server for SAP Applications 12 SP5","product_id":"SUSE Linux Enterprise Server for SAP Applications 12 SP5","product_identification_helper":{"cpe":"cpe:/o:suse:sles_sap:12:sp5"}}},{"category":"product_name","name":"SUSE Linux Enterprise Software Development Kit 12 SP5","product":{"name":"SUSE Linux Enterprise Software Development Kit 12 SP5","product_id":"SUSE Linux Enterprise Software Development Kit 12 SP5","product_identification_helper":{"cpe":"cpe:/o:suse:sle-sdk:12:sp5"}}},{"category":"product_version","name":"libzmq3","product":{"name":"libzmq3","product_id":"libzmq3","product_identification_helper":{"cpe":"cpe:2.3:a:zeromq:zeromq:*:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/libzmq3@?upstream=zeromq.src.rpm"}}},{"category":"product_version","name":"zeromq","product":{"name":"zeromq","product_id":"zeromq","product_identification_helper":{"cpe":"cpe:2.3:a:zeromq:zeromq:*:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/zeromq@"}}},{"category":"product_version","name":"zeromq-devel","product":{"name":"zeromq-devel","product_id":"zeromq-devel","product_identification_helper":{"cpe":"cpe:2.3:a:zeromq:zeromq:*:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/zeromq-devel@?upstream=zeromq.src.rpm"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"libzmq3 as component of SUSE Linux Enterprise Server 12 SP5","product_id":"SUSE Linux Enterprise Server 12 SP5:libzmq3"},"product_reference":"libzmq3","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"zeromq-devel as component of SUSE Linux Enterprise Server 12 SP5","product_id":"SUSE Linux Enterprise Server 12 SP5:zeromq-devel"},"product_reference":"zeromq-devel","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"zeromq as component of SUSE Linux Enterprise Server 12 SP5","product_id":"SUSE Linux Enterprise Server 12 SP5:zeromq"},"product_reference":"zeromq","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"libzmq3 as component of SUSE Linux Enterprise Server for SAP Applications 12 SP5","product_id":"SUSE Linux Enterprise Server for SAP Applications 12 SP5:libzmq3"},"product_reference":"libzmq3","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP Applications 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"zeromq-devel as component of SUSE Linux Enterprise Server for SAP Applications 12 SP5","product_id":"SUSE Linux Enterprise Server for SAP Applications 12 SP5:zeromq-devel"},"product_reference":"zeromq-devel","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP Applications 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"zeromq as component of SUSE Linux Enterprise Server for SAP Applications 12 SP5","product_id":"SUSE Linux Enterprise Server for SAP Applications 12 SP5:zeromq"},"product_reference":"zeromq","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP Applications 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"libzmq3 as component of SUSE Linux Enterprise Software Development Kit 12 SP5","product_id":"SUSE Linux Enterprise Software Development Kit 12 SP5:libzmq3"},"product_reference":"libzmq3","relates_to_product_reference":"SUSE Linux Enterprise Software Development Kit 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"zeromq-devel as component of SUSE Linux Enterprise Software Development Kit 12 SP5","product_id":"SUSE Linux Enterprise Software Development Kit 12 SP5:zeromq-devel"},"product_reference":"zeromq-devel","relates_to_product_reference":"SUSE Linux Enterprise Software Development Kit 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"zeromq as component of SUSE Linux Enterprise Software Development Kit 12 SP5","product_id":"SUSE Linux Enterprise Software Development Kit 12 SP5:zeromq"},"product_reference":"zeromq","relates_to_product_reference":"SUSE Linux Enterprise Software Development Kit 12 SP5"}]},"vulnerabilities":[{"cve":"CVE-2021-20234","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2021-20234"}],"notes":[{"category":"general","text":"An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability.","title":"CVE description"}],"product_status":{"known_affected":["SUSE Linux Enterprise Server 12 SP5:libzmq3","SUSE Linux Enterprise Server 12 SP5:zeromq","SUSE Linux Enterprise Server 12 SP5:zeromq-devel","SUSE Linux Enterprise Server for SAP Applications 12 SP5:libzmq3","SUSE Linux Enterprise Server for SAP Applications 12 SP5:zeromq","SUSE Linux Enterprise Server for SAP Applications 12 SP5:zeromq-devel","SUSE Linux Enterprise Software Development Kit 12 SP5:libzmq3","SUSE Linux Enterprise Software Development Kit 12 SP5:zeromq","SUSE Linux Enterprise Software Development Kit 12 SP5:zeromq-devel"]},"references":[{"category":"external","summary":"CVE-2021-20234","url":"https://www.suse.com/security/cve/CVE-2021-20234"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1176257 for CVE-2021-20234","url":"https://bugzilla.suse.com/1176257"}],"threats":[{"category":"impact","date":"2020-09-08T08:17:59Z","details":"moderate"}],"title":"CVE-2021-20234"}]}