---
id: CVE-2026-119146
title: >-
  ProFTPD before 1.3.9e and 1.3.10rc5 Buffer Overflow via mod_rewrite utf8trans
  RewriteMap
summary: >-
  ProFTPD before 1.3.9e and 1.3.10rc5 contains a buffer overflow vulnerability
  in the mod_rewrite int:utf8trans RewriteMap that allows remote attackers to
  overwrite static buffers. Attackers can send FTP command arguments longer than
  1024 …
severity: medium
cvss: 5.6
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'
cvssSource: cna
cwe:
  - CWE-120
vendor: ProFTPD Project
product: ProFTPD
affected:
  - ProFTPD < 1.3.9e
  - ProFTPD >= 1.3.10rc1 < 1.3.10rc5
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-04T02:05:08.464050Z'
published: '2026-10-30'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T02:05:17.438Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-119146'
references:
  - url: >-
      https://github.com/proftpd/proftpd/commit/502d280b8d0ef72e44c6dd0a35a9405af0a1e301
  - url: >-
      https://github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_rewrite.c#L2052
  - url: 'https://github.com/proftpd/proftpd/releases/tag/v1.3.9e'
    label: ProFTPD v1.3.9e Release Notes
  - url: 'https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5'
    label: ProFTPD v1.3.10rc5 Release Notes
  - url: 'https://abraxaslabs.tech/research/proftpd-rewrite-utf8trans'
  - url: 'https://github.com/proftpd/proftpd'
  - url: >-
      https://www.vulncheck.com/advisories/proftpd-before-1.3-9e-and-1.3-10rc5-buffer-overflow-via-mod-rewrite-utf8trans-rewritemap
    label: >-
      VulnCheck Advisory: ProFTPD before 1.3.9e and 1.3.10rc5 Buffer Overflow
      via mod_rewrite utf8trans RewriteMap
tags:
  - cve.org
epss: 0.00459
epssPercentile: 0.39911
ingestedAt: '2026-11-03T10:42:03.635Z'
---

## Overview

ProFTPD before 1.3.9e and 1.3.10rc5 contains a buffer overflow vulnerability in the mod_rewrite int:utf8trans RewriteMap that allows remote attackers to overwrite static buffers. Attackers can send FTP command arguments longer than 1024 bytes, without authentication if pre-login commands are rewritten, to corrupt session memory and crash the session.

## Affected

- `ProFTPD < 1.3.9e`
- `ProFTPD >= 1.3.10rc1 < 1.3.10rc5`

## Remediation

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