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    CVE-2025-9165

    A flaw has been found in LibTIFF 4.7.0. This affects the function _TIFFmallocExt/_TIFFCheckRealloc/TIFFHashSetNew/InitCCITTFax3 of the file tools/tiffcmp.c of the component tiffcmp. Executing manipulation can lead to memory leak. The attack is restricted to local execution. This attack is characterized by high complexity. It is indicated that the exploitability is difficult. The exploit has been published and may be used. There is ongoing doubt regarding the real existence of this vulnerability. This patch is called ed141286a37f6e5ddafb5069347ff5d587e7a4e0. It is best practice to apply a patch to resolve this issue. A researcher disputes the security impact of this issue, because "this is a memory leak on a command line tool that is about to exit anyway". In the reply the project maintainer declares this issue as "a simple 'bug' when leaving the command line tool and (...) not a security issue at all".

    Published:Aug 19, 2025
    Last Modified:Oct 1, 2025
    EPS:Aug 19, 2025
    EPSS Score:0.00024
    CVSS Score:2.5

    Affected Products

    Vendor
    Libtiff
    Product
    Libtiff

    Exploits

    https://drive.google.com/file/d/1FWhmkzksH8-qU0ZM6seBzGNB3aPnX3G8/view?usp=sharinghttps://gitlab.com/libtiff/libtiff/-/issues/728https://gitlab.com/libtiff/libtiff/-/issues/728#note_2709263214

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    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