{"id":"CVE-2023-6481","aliases":["GHSA-gm62-rw4g-vrc4"],"url":"https://o3.security/vulnerability/CVE-2023-6481","summary":"Logback \"receiver\" DOS vulnerability CVE-2023-6378 incomplete fix","details":"A serialization vulnerability in logback receiver component part of \nlogback version 1.4.13, 1.3.13 and 1.2.12 allows an attacker to mount a Denial-Of-Service \nattack by sending poisoned data.\n\n","published":"2023-12-04T08:35:44.396Z","modified":"2026-08-12T03:51:37.280045083Z","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"},"epss":{"score":0.00682,"percentile":0.50864,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"ch.qos.logback:logback-core","fixedVersion":"1.4.14"},{"ecosystem":"Maven","name":"ch.qos.logback:logback-core","fixedVersion":"1.3.14"},{"ecosystem":"Maven","name":"ch.qos.logback:logback-core","fixedVersion":"1.2.13"}],"fix":{"url":"https://github.com/qos-ch/logback/commit/7018a3609c7bcc9dc7bf5903509901a986e5f578","label":"qos-ch/logback@7018a36"},"references":[{"type":"WEB","url":"https://logback.qos.ch/news.html#1.3.12"},{"type":"WEB","url":"https://logback.qos.ch/news.html#1.3.14"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6481.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6481"},{"type":"PACKAGE","url":"https://github.com/qos-ch/logback"},{"type":"WEB","url":"https://github.com/qos-ch/logback/commit/7018a3609c7bcc9dc7bf5903509901a986e5f578"},{"type":"WEB","url":"https://github.com/qos-ch/logback/commit/c612b2fa3caf6eef3c75f1cd5859438451d0fd6f"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:37.280045083Z"}}