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    CVE-2026-117555

    CImg through 4.0.6 contains a heap out-of-bounds read vulnerability in the _load_bmp() function of CImg.h caused by an integer overflow in the row byte count. Attackers can supply a crafted BMP file with a large header width that wraps dx_bytes, causing crashes or heap memory disclosure into the decoded image.

    Published:Oct 27, 2026
    Last Modified:Nov 2, 2026
    EPS:Oct 27, 2026
    EPSS Score:0.00129
    CVSS Score:6.1

    Affected Products

    Vendor
    Cimg
    Product
    Cimg
    Vendor
    Greyclab
    Product
    Cimg

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers
    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2024-26540 (CVSS 7.8) — A heap-based buffer overflow in Clmg before 3.3.3 can occur via a crafted file to cimg_library::CImg<unsigned …
    CVE-2023-41484 (CVSS 8.1) — An issue in cimg.eu Cimg Library v2.9.3 allows an attacker to obtain sensitive information via a crafted JPEG …
    CVE-2022-1325 (CVSS 5.5) — A flaw was found in Clmg, where with the help of a maliciously crafted pandore or bmp file with modified dx an…
    CVE-2020-25693 (CVSS 8.1) — A flaw was found in CImg in versions prior to 2.9.3. Integer overflows leading to heap buffer overflows in loa…
    CVE-2019-13568 (CVSS 8.8) — CImg through 2.6.7 has a heap-based buffer overflow in _load_bmp in CImg.h because of erroneous memory allocat…
    CVE-2018-7640 (CVSS 7.8) — An issue was discovered in CImg v.220. A heap-based buffer over-read in load_bmp in CImg.h occurs when loading…
    CVE-2018-7641 (CVSS 7.8) — An issue was discovered in CImg v.220. A heap-based buffer over-read in load_bmp in CImg.h occurs when loading…
    CVE-2018-7639 (CVSS 7.8) — An issue was discovered in CImg v.220. A heap-based buffer over-read in load_bmp in CImg.h occurs when loading…
    CVE-2018-7638 (CVSS 7.8) — An issue was discovered in CImg v.220. A heap-based buffer over-read in load_bmp in CImg.h occurs when loading…
    CVE-2018-7637 (CVSS 7.8) — An issue was discovered in CImg v.220. A heap-based buffer over-read in load_bmp in CImg.h occurs when loading…

    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