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    CVE-2025-48075

    Fiber is an Express-inspired web framework written in Go. Starting in version 2.52.6 and prior to version 2.52.7, `fiber.Ctx.BodyParser` can map flat data to nested slices using `key[idx]value` syntax, but when idx is negative, it causes a panic instead of returning an error stating it cannot process the data. Since this data is user-provided, this could lead to denial of service for anyone relying on this `fiber.Ctx.BodyParser` functionality. Version 2.52.7 fixes the issue.

    Published:May 22, 2025
    Last Modified:May 30, 2025
    EPS:May 22, 2025
    EPSS Score:0.00081
    CVSS Score:7.5

    Affected Products

    Vendor
    Gofiber
    Product
    Fiber

    Exploits

    https://github.com/gofiber/fiber/security/advisories/GHSA-hg3g-gphw-5hhmhttps://github.com/gofiber/fiber/security/advisories/GHSA-hg3g-gphw-5hhm

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers

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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