Description
ARC 5.21q allows directory traversal via a full pathname in an archive file.
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 | arc | 5.21q-6 | — |
| Debian 13 | arc | 5.21q-6 | — |
| Debian 12 | arc | 5.21q-6 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | arc | No fix yet | — |
| Ubuntu 16.04 LTS | arc | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP1 | arc | 5.21q-bp151.4.3.1 | openSUSE-SU-2020:0103-1 |
| SUSE Package Hub 15 | arc | 5.21q-bp151.4.3.1 | openSUSE-SU-2020:0103-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | arc | 5.21q-6.7 | openSUSE-SU-2024:10630-1 |
| openSUSE Leap 15.1 | arc | 5.21q-bp151.4.3.1 | openSUSE-SU-2020:0103-1 |
Advisories 2
- openSUSE-SU-2020:0103-1 Security update for arc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10630-1 arc-5.21q-6.7 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026