CVE-2021-20193
3.3
LOW
CVSS 3.1
EPSS 0.07%
Description
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.
How to fix CVE-2021-20193
To remediate CVE-2021-20193, upgrade the affected package to a fixed version below.
- Alpine/tar—upgrade to 1.32-r1 or later
- —upgrade to 1.34+dfsg-1 or later
Is CVE-2021-20193 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.32-r1
- from 0, < 1.34+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |