Summary
It was discovered that tar incorrectly handled certain crafted archive files.
An attacker could possibly use this to inject hidden files with
attacker-controlled content, bypassing pre-extraction inspection mechanisms.
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | tar | 1.34+dfsg-1ubuntu0.1.22.04.3 |
| Ubuntu · 24.04 LTS 24.04:LTS | tar | 1.35+dfsg-3ubuntu0.1 |
| Ubuntu · 26.04 LTS 26.04:LTS | tar | 1.35+dfsg-4ubuntu0.1 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | tar | 1.27.1-1ubuntu0.1+esm5 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | tar | 1.28-2.1ubuntu0.2+esm4 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | tar | 1.29b-2ubuntu0.4+esm2 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | tar | 1.30+dfsg-7ubuntu0.20.04.4+esm1 |
References
-
report
https://ubuntu.com/security/CVE-2026-5704