CVE Feed

    Dashboard / CVE / CVE-2020-18768

    CVE-2020-18768

    There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.

    Published:Mar 20, 2019
    Last Modified:Nov 21, 2024
    EPS:Aug 22, 2023
    EPSS Score:0.00024
    CVSS Score:5.5

    Affected Products

    Vendor
    Libtiff
    Product
    Libtiff

    Exploits

    http://bugzilla.maptools.org/show_bug.cgi?id=2848http://bugzilla.maptools.org/show_bug.cgi?id=2848

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-52491 (CVSS 8.4) — An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via …
    CVE-2026-52490 (CVSS 9.8) — An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via …
    CVE-2026-52492 (CVSS 7.8) — An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes …
    CVE-2026-12912 (CVSS 7.3) — A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially craft…
    CVE-2026-4775 (CVSS 7.8) — A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerabili…
    CVE-2025-61143 (CVSS 5.5) — libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tif_open.c…
    CVE-2025-61144 (CVSS 7.3) — libtiff up to v4.7.1 was discovered to contain a stack overflow via the readSeparateStripsIntoBuffer function.…
    CVE-2025-61145 (CVSS 5) — libtiff up to v4.7.1 was discovered to contain a double free via the component tools/tiffcrop.c.…
    CVE-2025-9165 (CVSS 1.1) — A flaw has been found in LibTIFF 4.7.0. This affects the function _TIFFmallocExt/_TIFFCheckRealloc/TIFFHashSet…
    CVE-2025-8961 (CVSS 1.9) — A weakness has been identified in LibTIFF 4.7.0. This affects the function main of the file tiffcrop.c of the …

    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