{"id":"CVE-2021-40110","state":"PUBLISHED","title":"Apache James IMAP vulnerable to a ReDoS","description":"In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking.","publishedAt":"2022-01-04T08:55:22.000Z","updatedAt":"2024-08-04T02:27:31.846Z","severity":null,"assigner":"apache","products":["Apache Software Foundation Apache James"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache James","versions":[{"version":"Apache James","status":"affected","lessThanOrEqual":"3.6.0","versionType":"custom"}]}],"references":["https://www.openwall.com/lists/oss-security/2022/01/04/2","http://www.openwall.com/lists/oss-security/2022/01/04/2"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:58.929Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/40xxx/CVE-2021-40110.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-40110","state":"PUBLISHED","datePublished":"2022-01-04T08:55:22.000Z","dateUpdated":"2024-08-04T02:27:31.846Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2021-08-25T00:00:00.000Z"},"containers":{"cna":{"title":"Apache James IMAP vulnerable to a ReDoS","descriptions":[{"lang":"en","value":"In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache James","versions":[{"version":"Apache James","status":"affected","lessThanOrEqual":"3.6.0","versionType":"custom"}]}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2022/01/04/2","tags":["x_refsource_MISC"]},{"url":"http://www.openwall.com/lists/oss-security/2022/01/04/2","name":"[oss-security] 20220104 CVE-2021-40110: Apache James IMAP vulnerable to a ReDoS","tags":["mailing-list","x_refsource_MLIST"]}],"metrics":[{"other":{"content":{"other":"moderate"},"type":"unknown"}}],"problemTypes":[{"descriptions":[{"description":"Regular expression Denial of service","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"apache","dateUpdated":"2022-01-04T09:06:14.000Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09"},"credits":[{"lang":"en","value":"Apache James PMC would like to thanks Benoit TELLIER for this report."}],"source":{"defect":["JAMES-3635"],"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@apache.org","ID":"CVE-2021-40110","STATE":"PUBLIC","TITLE":"Apache James IMAP vulnerable to a ReDoS"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Apache James","version":{"version_data":[{"version_affected":"<=","version_name":"Apache James","version_value":"3.6.0"}]}}]},"vendor_name":"Apache Software Foundation"}]}},"credit":[{"lang":"eng","value":"Apache James PMC would like to thanks Benoit TELLIER for this report."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":[{"other":"moderate"}],"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Regular expression Denial of service"}]}]},"references":{"reference_data":[{"name":"https://www.openwall.com/lists/oss-security/2022/01/04/2","refsource":"MISC","url":"https://www.openwall.com/lists/oss-security/2022/01/04/2"},{"name":"[oss-security] 20220104 CVE-2021-40110: Apache James IMAP vulnerable to a ReDoS","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2022/01/04/2"}]},"source":{"defect":["JAMES-3635"],"discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.openwall.com/lists/oss-security/2022/01/04/2","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2022/01/04/2","name":"[oss-security] 20220104 CVE-2021-40110: Apache James IMAP vulnerable to a ReDoS","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T02:27:31.846Z"}}]}}}