{"id":"CVE-2021-41039","state":"PUBLISHED","title":"In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of p","description":"In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.","publishedAt":"2021-12-01T00:00:00.000Z","updatedAt":"2024-08-04T02:59:31.087Z","severity":null,"assigner":"eclipse","products":["The Eclipse Foundation Eclipse Mosquitto"],"affected":[{"vendor":"The Eclipse Foundation","product":"Eclipse Mosquitto","versions":[{"version":"1.6","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"affected","lessThanOrEqual":"2.0.11","versionType":"custom"}]}],"references":["https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314","https://www.debian.org/security/2023/dsa-5511"],"weaknesses":["CWE-1050"],"ingestedAt":"2026-10-29T19:49:01.697Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/41xxx/CVE-2021-41039.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-41039","state":"PUBLISHED","datePublished":"2021-12-01T00:00:00.000Z","dateUpdated":"2024-08-04T02:59:31.087Z","assignerShortName":"eclipse","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateReserved":"2021-09-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service."}],"affected":[{"vendor":"The Eclipse Foundation","product":"Eclipse Mosquitto","versions":[{"version":"1.6","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"affected","lessThanOrEqual":"2.0.11","versionType":"custom"}]}],"references":[{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314"},{"url":"https://www.debian.org/security/2023/dsa-5511","name":"DSA-5511","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1050","type":"CWE","lang":"en","description":"CWE-1050"}]}],"providerMetadata":{"shortName":"eclipse","orgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateUpdated":"2023-10-02T11:06:32.203Z"},"credits":[{"lang":"en","value":"This issue was discovered and reported by Zhanxiang Song, Bin Yuan, DeQing Zou, Hai Jin, Huazhong Univ. of Sci. & Tech.; Luyi Xing, IU; Yan Jia, Nankai University"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5511","name":"DSA-5511","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T02:59:31.087Z"}}]}}}