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    CVE-2018-3711

    Fastify node module before 0.38.0 is vulnerable to a denial-of-service attack by sending a request with "Content-Type: application/json" and a very large payload.

    Published:Jun 7, 2018
    Last Modified:Nov 21, 2024
    EPS:Jun 7, 2018
    EPSS Score:0.00776
    CVSS Score:7.5

    Affected Products

    Vendor
    Fastify
    Product
    Fastify

    Exploits

    https://github.com/fastify/fastify/pull/627https://hackerone.com/reports/303632https://github.com/fastify/fastify/pull/627https://hackerone.com/reports/303632

    Related CVEs

    CVE-2026-84428 (CVSS 7.5) — fastify versions before 5.12.2 implement the case-insensitive nature of HTTP header names by lowercasing names…
    CVE-2026-84469 (CVSS 7.5) — fastify versions before 5.12.2 decide whether to compile a request schema based on JavaScript truthiness, but …
    CVE-2026-76169 (CVSS 7.5) — fastify versions >= 4.0.0 and before 5.12.2 can route a malformed URL sent under one plugin prefix to the cust…
    CVE-2026-84504 (CVSS 8.1) — fastify versions before 5.12.2 treat the object resolved by a successful Ajv async validator as the value resu…
    CVE-2026-16732 (CVSS 6.1) — fastify is a fast and low overhead web framework for Node.js. Impact: the fix for CVE-2026-3635 added a guard …
    CVE-2026-18504 (CVSS 5.4) — fastify is a fast and low overhead web framework for Node.js. Versions of fastify before 5.12.1 are affected b…
    CVE-2026-33806 (CVSS 7.5) — Impact: Fastify applications using schema.body.content for per-content-type body validation can have validati…
    CVE-2026-3635 (CVSS 6.1) — Summary When trustProxy is configured with a restrictive trust function (e.g., a specific IP like trustProxy: …
    CVE-2026-3419 (CVSS 5.3) — Fastify incorrectly accepts malformed `Content-Type` headers containing trailing characters after the subtype …
    CVE-2026-25223 (CVSS 7.5) — Fastify is a fast and low overhead web framework, for Node.js. Prior to version 5.7.2, a validation bypass vul…

    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