Description
options.c in atftp before 0.7.5 reads past the end of an array, and consequently discloses server-side /etc/group data to a remote client.
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~deb9u3 | DLA-3028-1 |
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 | 0.7.0-160.14.1 | SUSE-SU-2022:0881-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | atftp | 0.7.0-160.14.1 | SUSE-SU-2022:0881-1 |
Advisories 3
- USN-6334-1 atftp vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-3028-1 atftp - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:0881-1 Security update for atftp SUSE / openSUSE Security Updates · Feb 4, 2026