---
id: CVE-2026-38636
title: >-
  An issue in the seekdir() function (/dirent/mod.rs) of relibc commit 61f42d
  allows attackers to cause a Denial of Service (DoS) via a crafted input.
summary: >-
  An issue in the seekdir() function (/dirent/mod.rs) of relibc commit 61f42d
  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: '2026-08-28'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:04:24.933'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-38636'
references:
  - url: 'https://github.com/Marsman1996/pocs/tree/master/redox/CVE-2026-38636'
    label: cve@mitre.org
  - url: 'https://gitlab.redox-os.org/redox-os/relibc/-/issues/260'
    label: cve@mitre.org
  - url: 'https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/980'
    label: cve@mitre.org
  - url: 'https://gitlab.redox-os.org/redox-os/relibc/-/work_items/260'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.0063
epssPercentile: 0.47892
ingestedAt: '2026-09-09T16:14:05.517Z'
---

## Overview

An issue in the seekdir() function (/dirent/mod.rs) of relibc commit 61f42d 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.