{"id":"CVE-2026-45802","aliases":["EUVD-2026-36305","GHSA-2mgw-7q6p-8grg"],"status":"published","title":"FPDI: Memory Exhaustion and Endless Loop in FPDI leads to Denial of Service","description":"FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, 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. This issue has been patched in version 2.6.7.","severity":{"version":"4.0","score":6,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00259,"percentile":0.17723,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2026-05-19T19:56:17Z","modified":"2026-10-28T02:30:51Z","fixes":[{"ecosystem":"Packagist","package":"setasign/fpdi","fixed_in":["2.6.7"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"setasign/fpdi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.7"}]}]},{"source":"osv","ecosystem":"Packagist","package":"setasign/fpdi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.7"}]}],"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"]}],"products":[{"vendor":"setasign","product":"fpdi"}],"references":[{"url":"https://github.com/Setasign/FPDI/security/advisories/GHSA-2mgw-7q6p-8grg","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/Setasign/FPDI/commit/1695cfcc7e01fe844a7296b3de90855a3fa65be6","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/Setasign/FPDI/releases/tag/v2.6.7","tags":["x_refsource_MISC","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45802","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2mgw-7q6p-8grg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45802.json","tags":["advisory"]},{"url":"https://github.com/Setasign/FPDI","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-45802","title":"FPDI: Memory Exhaustion and Endless Loop in FPDI leads to Denial of Service","description":"FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, 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. This issue has been patched in version 2.6.7.","status":"published","published":"2026-06-11T18:59:36.226Z","modified":"2026-06-12T13:49:38.133Z","cvss":[{"version":"4.0","score":6,"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","level":"medium","assessor":"cna"}],"cwes":["CWE-770","CWE-400"],"updated_at":"2026-11-02T13:46:32.755125Z"}],"euvd":[{"id":"EUVD-2026-36305","description":"FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, 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. This issue has been patched in version 2.6.7.","status":"published","published":"2026-06-11T18:59:36Z","modified":"2026-06-12T13:49:38Z","cvss":[{"version":"4.0","score":6,"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","level":"medium"}],"updated_at":"2026-11-02T18:20:43.577088Z"}],"ghsa":[{"id":"GHSA-2mgw-7q6p-8grg","title":"FPDI: Memory Exhaustion and Endless Loop in FPDI leads to Denial of Service","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.","status":"published","published":"2026-05-19T19:56:17Z","modified":"2026-06-12T19:27:07Z","cvss":[{"version":"4.0","score":6,"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","level":"medium"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:40:27.329706Z"}],"nvd":[{"id":"CVE-2026-45802","description":"FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, 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. This issue has been patched in version 2.6.7.","status":"published","published":"2026-06-11T20:16:23.09Z","modified":"2026-10-26T11:10:00.157Z","cvss":[{"version":"4.0","score":6,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:12:23.485267Z"}],"osv":[{"id":"CVE-2026-45802","title":"FPDI: Memory Exhaustion and Endless Loop in FPDI leads to Denial of Service","description":"FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, 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. This issue has been patched in version 2.6.7.","status":"published","published":"2026-06-11T18:59:36.226Z","modified":"2026-10-28T02:30:51.734009583Z","cvss":[{"version":"4.0","score":6,"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","level":"medium"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T15:45:05.525666Z"},{"id":"GHSA-2mgw-7q6p-8grg","title":"FPDI: Memory Exhaustion and Endless Loop in FPDI leads to Denial of Service","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.","status":"published","published":"2026-05-19T19:56:17Z","modified":"2026-09-10T03:51:04.134569546Z","cvss":[{"version":"4.0","score":6,"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","level":"medium"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T15:46:34.700741Z"}]}}