CVE-2025-55780 Detail
Awaiting Analysis
This CVE record has been marked for NVD enrichment efforts. DescriptionA null pointer dereference occurs in the function break_word_for_overflow_wrap() in MuPDF 1.26.4 when rendering a malformed EPUB document. Specifically, the function calls fz_html_split_flow() to split a FLOW_WORD node, but does not check if node->next is valid before accessing node->next->overflow_wrap, resulting in a crash if the split fails or returns a partial node chain. Metrics
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CVSS 4.0 Severity and Vector Strings:
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Weakness Enumeration
Quick InfoCVE Dictionary Entry:CVE-2025-55780 NVD Published Date: 09/23/2025 NVD Last Modified: 09/24/2025 Source: MITRE |