ALPINE-CVE-2019-20907

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2019-20907
Published: 13 Jul 2020, 13:15
Last modified:03 Dec 2025, 22:45

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Jul 2020, 13:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:45
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • alpine•python3

    < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0 | < 3.8.5-r0

References (1)