CVE-2026-119146
ProFTPD before 1.3.9e and 1.3.10rc5 Buffer Overflow via mod_rewrite utf8trans RewriteMap
CVSS Score
5.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-120 |
| Vendor | proftpd project |
| Product | proftpd |
| Published | Oct 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
ProFTPD Project / ProFTPD
0 < 1.3.9e 1.3.10rc1 < 1.3.10rc5
References
github.com: https://github.com/proftpd/proftpd/commit/502d280b8d0ef72e44c6dd0a35a9405af0a1e301 github.com: https://github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_rewrite.c#L2052 github.com: https://github.com/proftpd/proftpd/releases/tag/v1.3.9e github.com: https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5 abraxaslabs.tech: https://abraxaslabs.tech/research/proftpd-rewrite-utf8trans github.com: https://github.com/proftpd/proftpd vulncheck.com: https://www.vulncheck.com/advisories/proftpd-before-1.3-9e-and-1.3-10rc5-buffer-overflow-via-mod-rewrite-utf8trans-rewritemap
Credits
Bruno Henc 🔍 Abraxas Labs TJ Saunders