{"id":"CVE-2023-51803","details":"LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the \"\u003c?php ?\u003e\" substring.","modified":"2026-08-12T03:51:19.330754117Z","published":"2024-03-31T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/51xxx/CVE-2023-51803.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/51xxx/CVE-2023-51803.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-51803"},{"type":"FIX","url":"https://github.com/linuxserver/Heimdall/pull/1167"},{"type":"FIX","url":"https://github.com/linuxserver/Heimdall/pull/1173"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/linuxserver/heimdall","events":[{"introduced":"0"},{"fixed":"d2184eef0a1b80012781badb3e46555a137e9530"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.5.7"}],"source":["DESCRIPTION","REFERENCES"]}}],"versions":["v2.5.6","v2.5.5","v2.5.4","v2.5.3","v2.5.2","v2.5.1","v2.5.0","v2.4.15","v2.4.14","v2.4.13","v2.4.12","v2.4.11","v2.4.10","v2.4.8","v2.4.9","v2.4.7b","v2.4.7","v2.4.6","V2.4.5","v2.4.4","v2.4.3","v2.4.2","v2.4.1","v2.4.0","v2.3.2","v2.3.1","2.2.2","2.2.1","2.2.0","2.1.13","2.1.12","2.1.11","2.1.10","2.1.9","2.1.8","2.1.7","2.1.6","2.1.5","2.1.4","2.1.3","2.1.2","2.1.1","2.1.0","2.0.3","2.0.2","2.0.1","2.0.0","1.4.17","1.4.16","1.4.15","1.4.14","1.4.13","1.4.12","1.4.11","1.4.10","1.4.9","1.4.8","1.4.6","1.4.5","1.4.4","v1.4.3","v1.4.2","v1.4.1","v1.4.0","v1.3.4","v1.3.3","v1.3.2","v1.3.1","v1.3.0","v1.2.1","v1.2.0","v1.1.3","v1.1.2","v1.1.1","v1.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-51803.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}