---
id: CVE-2026-67977
title: >-
  An integer overflow in the Svc::FileDownlink::SendPartial component of fprime
  framework v4.2.2 allows attackers to cause a Denial of Service (DoS) via a
  crafted input.
summary: >-
  An integer overflow in the Svc::FileDownlink::SendPartial component of fprime
  framework v4.2.2 allows attackers to cause a Denial of Service (DoS) via a
  crafted input.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
published: '2026-08-03'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:04:24.933'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-67977'
references:
  - url: 'https://github.com/freedomfoxvare/cve/issues/1'
    label: cve@mitre.org
  - url: 'https://github.com/nasa/fprime'
    label: cve@mitre.org
  - url: 'https://github.com/freedomfoxvare/cve/issues/1'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00337
epssPercentile: 0.27179
ingestedAt: '2026-09-09T16:14:05.511Z'
---

## Overview

An integer overflow in the Svc::FileDownlink::SendPartial component of fprime framework v4.2.2 allows attackers to cause a Denial of Service (DoS) via a crafted input.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.