Description
Zim through 0.72.1 creates temporary directories with predictable names. A malicious user could predict and create Zim's temporary directories and prevent other users from being able to start Zim, resulting in a denial of service.
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 | zim | 0.72.1-1 | — |
| Debian 13 | zim | 0.72.1-1 | — |
| Debian 12 | zim | 0.72.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | zim | No fix yet | — |
| Ubuntu 18.04 LTS | zim | No fix yet | — |
| Ubuntu 16.04 LTS | zim | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | zim | 0.73.5-1.2 | openSUSE-SU-2024:11541-1 |
Advisories 1
- openSUSE-SU-2024:11541-1 zim-0.73.5-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026