{"id":"RHLW-2026-bcaf0a0ae0978229","summary":"Lightwell Security Advisory: jackson-databind 2.13.4.2-rhlw-00004","details":"Red Hat Lightwell has released com.fasterxml.jackson.core:jackson-databind 2.13.4.2-rhlw-00004 with a backported security fix.\n\nCVE-2026-91776: jackson-databind: unbounded growth of the type id cache in TypeDeserializerBase retains every unknown raw type ID\n\nThis patched artifact is a drop-in replacement for com.fasterxml.jackson.core:jackson-databind 2.13.4.2 from Maven Central.","modified":"2026-10-20T23:00:06.811771992Z","published":"2026-10-08T19:45:08Z","upstream":["CVE-2026-91776","GHSA-wv8q-qhhj-9h54"],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91776.json"},{"type":"ADVISORY","url":"https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-wv8q-qhhj-9h54"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91776"},{"type":"REPORT","url":"https://github.com/FasterXML/jackson-databind/issues/6203"},{"type":"PACKAGE","url":"https://github.com/FasterXML/jackson-databind"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-wv8q-qhhj-9h54"}],"schema_version":"1.9.1","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Red Hat Lightwell","type":"REMEDIATION_DEVELOPER"}]}