CVE-2026-45802: CWE-770: Allocation of Resources Without Limits or Throttling in Setasign FPDI
A vulnerability in Setasign FPDI prior to version 2.6.7 allows an attacker to upload a crafted PDF file that causes server-side memory exhaustion or script time-out, leading to potential denial of service. This issue is due to allocation of resources without limits or throttling. The vulnerability has been fixed in version 2.6.7.
AI Analysis
Technical Summary
Setasign FPDI, a PHP library for reading and using pages from existing PDF documents as templates, contains a resource exhaustion vulnerability (CWE-770) in versions before 2.6.7. An attacker can upload a small malicious PDF that triggers excessive memory consumption or script time-outs on the server, causing crashes and potentially sustained denial of service. The vulnerability is addressed by a patch in version 2.6.7.
Potential Impact
Successful exploitation results in server-side script crashes due to memory exhaustion or time-outs, which can cause denial of service and disrupt availability of applications using FPDI versions prior to 2.6.7.
Mitigation Recommendations
Upgrade FPDI to version 2.6.7 or later, where this vulnerability has been patched. No other mitigation or temporary fix is indicated.
CVE-2026-45802: CWE-770: Allocation of Resources Without Limits or Throttling in Setasign FPDI
Description
A vulnerability in Setasign FPDI prior to version 2.6.7 allows an attacker to upload a crafted PDF file that causes server-side memory exhaustion or script time-out, leading to potential denial of service. This issue is due to allocation of resources without limits or throttling. The vulnerability has been fixed in version 2.6.7.
CVSS v4.0
Score 6.0medium
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Setasign FPDI, a PHP library for reading and using pages from existing PDF documents as templates, contains a resource exhaustion vulnerability (CWE-770) in versions before 2.6.7. An attacker can upload a small malicious PDF that triggers excessive memory consumption or script time-outs on the server, causing crashes and potentially sustained denial of service. The vulnerability is addressed by a patch in version 2.6.7.
Potential Impact
Successful exploitation results in server-side script crashes due to memory exhaustion or time-outs, which can cause denial of service and disrupt availability of applications using FPDI versions prior to 2.6.7.
Mitigation Recommendations
Upgrade FPDI to version 2.6.7 or later, where this vulnerability has been patched. No other mitigation or temporary fix is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-13T08:19:32.603Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2b13c8815e7002b825ebab
Added to database: 6/11/2026, 8:00:08 PM
Last enriched: 6/11/2026, 8:15:22 PM
Last updated: 6/11/2026, 9:08:34 PM
Views: 4
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