{"action":"Upgrade org.apache.logging.log4j:log4j-core to 2.3.1 (2.3.x), 2.12.3 (2.12.x) or 2.17.0 (2.17.x) or later.","affected":[{"fixed":"2.12.3","introduced":"2.4.0"},{"fixed":"2.17.0","introduced":"2.13.0"},{"fixed":"2.3.1","introduced":"0"}],"component":"org.apache.logging.log4j:log4j-core","cve_ids":["CVE-2021-45105"],"ecosystem":"Maven","epss":0.99999,"exploited":false,"fixed_versions":["2.12.3","2.17.0","2.3.1"],"ghsa_id":"GHSA-p6xc-xr62-6r2g","id":"tcs_01M5N96QEZBZ4EPX194Z3N5Y77","modified_at":"2026-06-09T10:30:14.432177927Z","published_at":"2021-12-18T18:00:07Z","references":["https://osv.dev/vulnerability/GHSA-p6xc-xr62-6r2g","https://nvd.nist.gov/vuln/detail/CVE-2021-45105","https://www.zerodayinitiative.com/advisories/ZDI-21-1541","https://www.oracle.com/security-alerts/cpujul2022.html","https://www.oracle.com/security-alerts/cpujan2022.html","https://www.oracle.com/security-alerts/cpuapr2022.html","https://www.kb.cert.org/vuls/id/930724","https://www.debian.org/security/2021/dsa-5024","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd","https://security.netapp.com/advisory/ntap-20211218-0001","https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032","https://logging.apache.org/log4j/2.x/security.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SIG7FZULMNK2XF6FZRU4VWYDQXNMUGAJ","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EOKPQGV24RRBBI4TBZUDQMM4MEH7MXCY","https://lists.debian.org/debian-lts-announce/2021/12/msg00017.html","https://cert-portal.siemens.com/productcert/pdf/ssa-501673.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-479842.pdf","http://www.openwall.com/lists/oss-security/2021/12/19/1"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"GHSA-p6xc-xr62-6r2g","url":"https://osv.dev/vulnerability/GHSA-p6xc-xr62-6r2g"}],"summary":"Apache Log4j2 vulnerable to Improper Input Validation and Uncontrolled Recursion"}