Description
Use-after-free vulnerability in the Response API in ProFTPD before 1.3.3g allows remote authenticated users to execute arbitrary code via vectors involving an error that occurs after an FTP data transfer.
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 14 | proftpd-dfsg | 1.3.4~rc3-2 | — |
| Debian 13 | proftpd-dfsg | 1.3.4~rc3-2 | — |
| Debian 12 | proftpd-dfsg | 1.3.4~rc3-2 | — |
| Debian 6.0 | proftpd-dfsg | 1.3.3a-6squeeze4 | DSA-2346-1 |
| Debian 5.0 | proftpd-dfsg | 1.3.1-17lenny8 | DSA-2346-2, DSA-2346-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | proftpd | 1.3.5b-2.5 | openSUSE-SU-2024:10048-1 |
Advisories 3
- DSA-2346-2 proftpd-dfsg - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2346-1 proftpd-dfsg - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10048-1 proftpd-1.3.5b-2.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026