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    CVE-2026-5186

    A weakness has been identified in Nothings stb up to 2.30. This impacts the function stbi__load_gif_main of the file stb_image.h of the component Multi-frame GIF File Handler. This manipulation causes double free. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

    Published:Mar 31, 2026
    Last Modified:Apr 24, 2026
    EPS:Mar 31, 2026
    EPSS Score:0.00013
    CVSS Score:5.3

    Affected Products

    Vendor
    Nothings
    Product
    Stb

    Exploits

    No exploit reference

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    CVE-2026-5314 (CVSS 2.1) — A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the …
    CVE-2026-5313 (CVSS 2.1) — A vulnerability has been found in Nothings stb up to 2.30. This issue affects the function stbi__gif_load_next…
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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