tar: A flaw was found in the src/list.c of tar 1.33 and earlier
CVE-2021-20193 is fixed in 2 products on 1 platform, first by tar 1.29b-2ubuntu0.3, released March 26, 2021. It is not reported as exploited. Patch Radar priority: Routine.
A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| tar · Ubuntu 18.04.6 LTS (bionic) | 1.29b-2ubuntu0.3 | tar 1.29b-2ubuntu0.3 | Mar 26, 2021 |
| tar · Ubuntu 20.04 LTS (focal) | 1.30+dfsg-7ubuntu0.20.04.2 | tar 1.30+dfsg-7ubuntu0.20.04.2 | Mar 26, 2021 |
| tar · Ubuntu 22.04.1 LTS (jammy) | 1.34+dfsg-1build1 | tar 1.34+dfsg-1build1 | Mar 26, 2021 |
| tar-scripts · Ubuntu 18.04.6 LTS (bionic) | 1.29b-2ubuntu0.3 | tar-scripts 1.29b-2ubuntu0.3 | Mar 26, 2021 |
| tar-scripts · Ubuntu 20.04 LTS (focal) | 1.30+dfsg-7ubuntu0.20.04.2 | tar-scripts 1.30+dfsg-7ubuntu0.20.04.2 | Mar 26, 2021 |
| tar-scripts · Ubuntu 22.04.1 LTS (jammy) | 1.34+dfsg-1build1 | tar-scripts 1.34+dfsg-1build1 | Mar 26, 2021 |
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