Investigate in your agent.

Turn this advisory into a focused investigation. Ask your agent to check your project’s versions, explain the evidence, and suggest a compatible fix.

Your agent needs remote MCP support and access to https://cve.new/mcp.

Read the setup guide

Skip to content
cve.new Create a CVE report
Check your stack
CVE-2026-119146medium6.3

ProFTPD before 1.3.9e and 1.3.10rc5 Buffer Overflow via mod_rewrite utf8trans RewriteMap

Impact

ProFTPD before 1.3.9e and 1.3.10rc5 has a buffer overflow vulnerability in mod_rewrite's utf8trans RewriteMap, allowing remote attackers to crash the session by sending long FTP command arguments. No authentication is required if pre-login commands are rewritten. The vulnerability affects versions less than 1.3.9e and between 1.3.10rc1 and 1.3.10rc5.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

ProFTPD Project · VulnCheck

ProFTPD

2 ranges
VulnCheck version evidence

Package identity

pkg:github/proftpd/proftpd

Identity supplied by VulnCheck. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 1.3.9e

custom versions

1.3.10rc1 → before 1.3.10rc5

custom versions

unaffected

unknown

Other versions: unaffected

Original source description

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.

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-119146

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-120 ↗

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

VulnCheck

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

VulnCheck · platform conditions

Any condition may hold

Vulnerable product

cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*

Before: 1.3.9e

Vulnerable product

cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*

From (inclusive): 1.3.10rc1

Before: 1.3.10rc5

Original applicability statements
[
  {
    "nodes": [
      {
        "operator": "OR",
        "negate": false,
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "1.3.9e"
          },
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*",
            "versionStartIncluding": "1.3.10rc1",
            "versionEndExcluding": "1.3.10rc5"
          }
        ]
      }
    ]
  }
]
Contributing organizations · 1
VulnCheck

Assigning organization

2026-10-30

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.

References

7 sources
github.com/proftpd/proftpd/commit/502d280b8d0ef72e44c6dd0a35a9405af0a1e301
patchVulnCheck
github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_rewrite.c
technical-descriptionVulnCheck
github.com/proftpd/proftpd/releases/tag/v1.3.9e
release-notesVulnCheck
github.com/proftpd/proftpd/releases/tag/v1.3.10rc5
release-notesVulnCheck
abraxaslabs.tech/research/proftpd-rewrite-utf8trans
third-party-advisoryVulnCheck
github.com/proftpd/proftpd
productVulnCheck
View 1 more references
www.vulncheck.com/advisories/proftpd-before-1.3-9e-and-1.3-10rc5-buffer-overflow-via-mod-rewrite-utf8trans-rewritemap
third-party-advisoryVulnCheck