Description
oftpd 0.3.6 and earlier allows remote attackers to cause a denial of service (crash) via a PORT command with a large value.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 3.0 | oftpd | 0.3.6-6 | DSA-473 |
Advisories 1
- DSA-473 oftpd - denial of service Debian Security (DSA / DLA) · Mar 9, 2026
References
- 11220 third-party-advisory
- DSA-473 vendor-advisory
- GLSA-200403-08 vendor-advisory
- oftpd-port-dos(15622) vdb-entry
- 9980 vdb-entry
- http://www.time-travellers.org/oftpd/oftpd-dos.html