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CVE-2026-3308

Description

A flaw was found in MuPDF. A remote attacker could exploit an integer overflow vulnerability by providing a maliciously crafted PDF file. This overflow occurs within the pdf_load_image_imp function, leading to a heap out-of-bounds write. This vulnerability can be exploited to achieve arbitrary code execution, allowing the attacker to run unauthorized commands on the affected system.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Mitigation

To mitigate this issue, avoid opening or processing untrusted PDF files. If MuPDF is used in an automated processing environment, ensure that all input PDF documents originate from trusted sources or are processed within a sandboxed environment to limit potential impact.

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