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    CVE-2012-5340

    SumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the lex_number() function via a corrupt PDF file.

    Published:Jan 23, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 23, 2020
    EPSS Score:0.03366
    CVSS Score:7.8

    Affected Products

    Vendor
    Artifex
    Product
    Mupdf
    Vendor
    Sumatrapdfreader
    Product
    Sumatrapdf

    Exploits

    http://www.exploit-db.com/exploits/23246http://www.exploit-db.com/exploits/23246https://www.exploit-db.com/exploits/23246

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    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…

    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