CVE-2026-119146

EUVD-2026-113779
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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
5.6 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
proftpdproftpd
𝑥
< 1.3.9e
CNA
Debian logo
Debian Releases
Debian Product
Codename
proftpd-dfsg
bookworm
vulnerable
bookworm (security)
vulnerable
forky
vulnerable
sid
vulnerable
trixie
vulnerable
Common Weakness Enumeration
References
https://abraxaslabs.tech/research/proftpd-rewrite-utf8trans
https://github.com/proftpd/proftpd
https://github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_rewrite.c#L2052
https://github.com/proftpd/proftpd/commit/502d280b8d0ef72e44c6dd0a35a9405af0a1e301
https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5
https://github.com/proftpd/proftpd/releases/tag/v1.3.9e
https://www.vulncheck.com/advisories/proftpd-before-1.3-9e-and-1.3-10rc5-buffer-overflow-via-mod-rewrite-utf8trans-rewritemap