{"id":"CVE-2020-14338","aliases":["GHSA-w4jq-qh47-hvjq"],"url":"https://o3.security/vulnerability/CVE-2020-14338","summary":"Improper Input Validation in Xerces","details":"A flaw was found in Wildfly's implementation of Xerces, specifically in the way the XMLSchemaValidator class in the JAXP component of Wildfly enforced the \"use-grammar-pool-only\" feature. This flaw allows a specially-crafted XML file to manipulate the validation process in certain cases. This issue is the same flaw as CVE-2020-14621, which affected OpenJDK, and uses a similar code. This flaw affects all Xerces JBoss versions before 2.12.0.SP3.","published":"2020-09-17T15:15:13.143Z","modified":"2026-07-08T05:56:03.246492417Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"epss":{"score":0.01292,"percentile":0.68815,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"xerces:xercesImpl","fixedVersion":"2.12.0.sp3"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/rf96c5afb26b596b4b97883aa90b6c0b0fc4c26aaeea7123c21912103%40%3Cj-users.xerces.apache.org%3E"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1860054"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14338"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf96c5afb26b596b4b97883aa90b6c0b0fc4c26aaeea7123c21912103@%3Cj-users.xerces.apache.org%3E"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:56:03.246492417Z"}}