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    CVE-2025-71382

    MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.

    Published:Jun 23, 2026
    Last Modified:Jul 14, 2026
    EPS:Jun 23, 2026
    EPSS Score:0.00316
    CVSS Score:6.5

    Affected Products

    Vendor
    Artifex
    Product
    Mupdf
    Vendor
    Artifexsoftware
    Product
    Mupdf

    Exploits

    https://bugs.ghostscript.com/show_bug.cgi?id=708840

    Common Weakness Enumeration

    CWE-674 Uncontrolled Recursion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads

    Related CVEs

    CVE-2026-7233 (CVSS 1.9) — A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fz_subset_c…
    CVE-2026-40505 (CVSS 4.8) — MuPDF before 1.27 contains an ANSI injection vulnerability in mutool that allows attackers to inject arbitrary…
    CVE-2026-3308 (CVSS 7.8) — An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to mal…
    CVE-2025-15569 (CVSS 7.3) — A flaw has been found in Artifex MuPDF up to 1.26.1 on Windows. The impacted element is the function get_syste…
    CVE-2026-25556 (CVSS 5.9) — MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fz_fill_pixmap_from_display_list()…
    CVE-2025-55780 (CVSS 7.5) — A null pointer dereference occurs in the function break_word_for_overflow_wrap() in MuPDF 1.26.4 when renderin…
    CVE-2025-46206 (CVSS 6.5) — An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite…
    CVE-2024-46657 (CVSS 5.5) — Artifex Software mupdf v1.24.9 was discovered to contain a segmentation fault via the component /tools/pdfextr…
    CVE-2024-24259 (CVSS 7.5) — freeglut through 3.4.0 was discovered to contain a memory leak via the menuEntry variable in the glutAddMenuEn…
    CVE-2024-24258 (CVSS 7.5) — freeglut 3.4.0 was discovered to contain a memory leak via the menuEntry variable in the glutAddSubMenu functi…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High