{"containers": {"cna": {"affected": [{"product": "zeromq", "vendor": "n/a", "versions": [{"status": "affected", "version": "zeromq 4.3.3"}]}], "descriptions": [{"lang": "en", "value": "An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-05-28T10:42:23", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921989"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2021-20237", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "zeromq", "version": {"version_data": [{"version_value": "zeromq 4.3.3"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1921989", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921989"}, {"name": "https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw", "refsource": "MISC", "url": "https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw"}]}}}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-20237", "datePublished": "2021-05-28T10:42:23", "dateReserved": "2020-12-17T00:00:00", "dateUpdated": "2021-05-28T10:42:23", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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