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Vulnerability DatabaseCVE-2025-54869
CVE-2025-54869:
PHP vulnerability analysis and mitigation
Overview
CVE-2025-54869 is a moderate severity vulnerability affecting the PDF Parser component in FPDI library versions prior to 2.6.4. The vulnerability was discovered in 2025 and involves a memory exhaustion issue that could lead to denial of service conditions (GitHub Advisory).
Technical details
The vulnerability is rated with a CVSS v4.0 base score of 6.0 (Moderate) with the following vector string: 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. The vulnerability exists in the PDF parsing functionality where processing maliciously crafted PDF files can trigger memory exhaustion (GitHub Advisory).
Impact
The vulnerability can result in a significant Denial of Service (DoS) condition. When exploited, it allows attackers to upload small, malicious PDF files that cause server-side script crashes due to memory exhaustion. Repeated attacks can lead to sustained service unavailability (GitHub Advisory).
Mitigation and workarounds
The vulnerability has been patched in FPDI version 2.6.4. Users are advised to upgrade to this version or later to mitigate the risk. No workarounds are available for this vulnerability (GitHub Advisory).
Additional resources
Source: This report was generated using AI
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