Description
zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or arbitrary code execution. This attack appear to be exploitable via the victim openning a crafted compressed file. This vulnerability appears to have been fixed in 1.8-pre2.
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 | zutils | 1.7-3 | — |
| Debian 13 | zutils | 1.7-3 | — |
| Debian 12 | zutils | 1.7-3 | — |
| Debian 8 | zutils | 1.3-4+deb8u1 | DLA-1505-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | zutils | No fix yet | — |
| Ubuntu 16.04 LTS | zutils | No fix yet | — |
Advisories 1
- DLA-1505-1 zutils - security update Debian Security (DSA / DLA) · Mar 9, 2026