CVE-2019-20907
python3.5 - security update
7.5
HIGH
CVSS 3.1
EPSS 0.32%
Description
In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.
How to fix CVE-2019-20907
To remediate CVE-2019-20907, upgrade the affected package to a fixed version below.
- Alpine/python3—upgrade to 3.8.5-r0 or later
- —upgrade to 7.3.3+dfsg-1 or later
- —upgrade to 2.7.18-2 or later
- —upgrade to 3.5.3-1+deb9u3 or later
- —upgrade to 3.9.0~b5-1 or later
Is CVE-2019-20907 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 3.8.5-r0
- from 0, < 7.3.3+dfsg-1
- from 0, < 2.7.18-2
- from 0, < 3.5.3-1+deb9u3
- from 0, < 3.9.0~b5-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |