---
id: CVE-2026-104115
title: >-
  A stack-based buffer overflow in the illumos reparse point daemon (reparsed)
  allows a local user to crash the daemon
summary: >-
  A stack-based buffer overflow in the illumos reparse point daemon (reparsed)
  allows a local user to crash the daemon. get_fs_locations() in
  usr/src/cmd/fs.d/nfs/rp_basic/libnfs_basic.c, part of the nfs-basic reparse
  plugin, copies the ho…
severity: none
cwe:
  - CWE-121
published: '2026-10-09'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T16:35:35.900'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-104115'
references:
  - url: >-
      https://github.com/illumos/illumos-gate/commit/6a2df4aa5381599179ab6afb3165db81960dee35
    label: 0ca53633-f0b5-4853-ba72-e0a2e62000d0
  - url: 'https://illumos.org/issues/18496'
    label: 0ca53633-f0b5-4853-ba72-e0a2e62000d0
  - url: >-
      https://illumos.topicbox.com/groups/developer/T3b859664594b7762/cve-2026-104112-to-cve-2026-104117-denial-of-service-and-missing-authorization-in-door-servers
    label: 0ca53633-f0b5-4853-ba72-e0a2e62000d0
tags:
  - nvd
ingestedAt: '2026-10-09T16:02:33.375Z'
---

## Overview

A stack-based buffer overflow in the illumos reparse point daemon (reparsed) allows a local user to crash the daemon. get_fs_locations() in usr/src/cmd/fs.d/nfs/rp_basic/libnfs_basic.c, part of the nfs-basic reparse plugin, copies the host and path components of a reparse string into a fixed 1024-byte stack buffer without checking their length. The reparsed door at /var/run/reparsed_door is readable by all users and the door server does not check the caller's credentials, so an unprivileged local user can send an nfs-basic request with an overlong host or path component to overflow the buffer. On systems built with stack protection, which is the default, this causes reparsed to abort; repeated requests place the svc:/system/filesystem/reparse service into maintenance. The service is disabled by default. The flaw has existed since 2009 (illumos-gate commit 2f172c55), and affects any illumos distribution prior to illumos-gate commit 6a2df4aa.

## Remediation

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