Description
The most package in Debian wheezy before 5.0.0a-2.2, in Debian jessie before 5.0.0a-2.3+deb8u1, and in Debian unstable before 5.0.0a-3 allows remote attackers to execute arbitrary commands via shell metacharacters in the name of an LZMA-compressed 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 | most | 5.0.0a-3 | — |
| Debian 13 | most | 5.0.0a-3 | — |
| Debian 12 | most | 5.0.0a-3 | — |
| Debian 7 | most | 5.0.0a-2.2 | DLA-745-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | most | 5.0.0a-2.3+deb8u1build0.16.04.1 | — |
| Ubuntu 14.04 LTS | most | 5.0.0a-2.3+deb8u1build0.14.04.1 | — |
Advisories 1
- DLA-745-1 most - security update Debian Security (DSA / DLA) · Mar 9, 2026