Description
tftpd_file.c in atftp through 0.7.4 has a buffer overflow because buffer-size handling does not properly consider the combination of data, OACK, and other options.
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 | atftp | 0.7.git20210915-1 | — |
| Debian 13 | atftp | 0.7.git20210915-1 | — |
| Debian 12 | atftp | 0.7.git20210915-1 | — |
| Debian 9 | atftp | 0.7.git20120829-3.1~deb9u2 | DLA-2820-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | atftp | 0.7.git20120829-3.1ubuntu0.1 | USN-6334-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | atftp | 0.7.git20120829-3.1~0.18.04.1+esm1 | USN-6334-1 |
| Ubuntu Pro 16.04 LTS | atftp | 0.7.git20120829-3.1~0.16.04.1+esm1 | USN-6334-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | atftp | 0.7.0-160.11.1 | SUSE-SU-2021:3237-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | atftp | 0.7.0-160.11.1 | SUSE-SU-2021:3237-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | atftp | 0.7.5-1.1 | openSUSE-SU-2024:10636-1 |
Advisories 4
- USN-6334-1 atftp vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-2820-1 atftp - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10636-1 atftp-0.7.5-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3237-1 Security update for atftp SUSE / openSUSE Security Updates · May 2, 2025