CVE Feed

    Dashboard / CVE / CVE-2025-48172

    CVE-2025-48172

    CHMLib through 2bef8d0, as used in SumatraPDF and other products, has a chm_lib.c _chm_decompress_block integer overflow. There is a resultant heap-based buffer overflow in _chm_fetch_bytes.

    Published:Jul 4, 2025
    Last Modified:Apr 15, 2026
    EPS:Jul 4, 2025
    EPSS Score:0.00025
    CVSS Score:5.6

    Affected Products

    Vendor
    Chmlib
    Product
    Chmlib

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    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