CVE-2022-48303
5.5
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.
How to fix CVE-2022-48303
To remediate CVE-2022-48303, upgrade the affected package to a fixed version below.
- Alpine/tar—upgrade to 1.34-r1 or later
- —upgrade to 1.34+dfsg-1+deb11u1 or later
Is CVE-2022-48303 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.34-r1
- from 0, < 1.34+dfsg-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |