{"id":"GHSA-2mgw-7q6p-8grg","aliases":["CVE-2026-45802"],"title":"FPDI: Memory Exhaustion and Endless Loop in FPDI leads to Denial of Service","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","description":"### Impact\nThis is a significant Denial of Service (DoS) vulnerability. Any application that uses FPDI to process user-supplied PDF files is at risk. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion or a script time-out. Repeated attacks can lead to sustained service unavailability.\n\n### Patches\nFixed as of version 2.6.7\n\n### Workarounds\nNo.\n\n### References\nNo.","severity":"medium","score":6,"published":"2026-05-19T19:56:17.000Z","modified":"2026-09-10T03:51:04.134Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"setasign/fpdi","sources":[{"name":"OSV · GHSA-2mgw-7q6p-8grg","url":"https://osv.dev/vulnerability/GHSA-2mgw-7q6p-8grg"}],"ranges":[{"events":[{"introduced":"0"},{"fixed":"2.6.7"}],"type":"ECOSYSTEM"}],"versions":["1.5.2","1.5.3","1.5.4","1.6.0","1.6.1","1.6.2","v2.0.0","v2.0.0-beta","v2.0.0-beta2","v2.0.0-rc1","v2.0.1","v2.0.2","v2.0.3","v2.1.0","v2.1.1","v2.2.0","v2.3.0","v2.3.1","v2.3.2","v2.3.3","v2.3.4","v2.3.5","v2.3.6","v2.3.7","v2.4.0","v2.4.1","v2.5.0","v2.6.0","v2.6.1","v2.6.2","v2.6.3","v2.6.4","v2.6.5","v2.6.6"],"fixed":["2.6.7"]}],"sourceAffected":[],"references":["https://github.com/Setasign/FPDI/security/advisories/GHSA-2mgw-7q6p-8grg","https://nvd.nist.gov/vuln/detail/CVE-2026-45802","https://github.com/Setasign/FPDI/commit/1695cfcc7e01fe844a7296b3de90855a3fa65be6","https://github.com/Setasign/FPDI","https://github.com/Setasign/FPDI/releases/tag/v2.6.7"],"sources":[{"name":"OSV","id":"GHSA-2mgw-7q6p-8grg","modified":"2026-09-10T03:51:04.134569546Z","url":"https://osv.dev/vulnerability/GHSA-2mgw-7q6p-8grg"}],"assessments":[{"source":"OSV","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T09:15:31.408Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}