UBUNTU-CVE-2019-20907
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UBUNTU-CVE-2019-20907
Published: 13 Jul 2020Last Modified: 22 Apr 2026
Upstream:
Aliases:
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2019-20907, https://bugs.python.org/issue39017, https://github.com/python/cpython/pull/21454, https://ubuntu.com/security/notices/USN-4428-1, https://ubuntu.com/security/notices/USN-4754-3, https://www.cve.org/CVERecord?id=CVE-2019-20907, https://ubuntu.com/security/notices/USN-6891-1
Affected packages
Package
Name: python2.7
Purl: pkg:deb/ubuntu/[email protected]+esm6?arch=source&distro=trusty/esm
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -2.7.6-8ubuntu0.6+esm6
Affected versions
2.7.5-8ubuntu3
2.7.5-8ubuntu4
2.7.6-2
2.7.6-2ubuntu1
2.7.6-3
2.7.6-3ubuntu1
2.7.6-4
2.7.6-4ubuntu1
2.7.6-5
2.7.6-7
2.7.6-8
2.7.6-8ubuntu0.2
2.7.6-8ubuntu0.3
2.7.6-8ubuntu0.4
2.7.6-8ubuntu0.5
2.7.6-8ubuntu0.6+esm2
2.7.6-8ubuntu0.6+esm3
2.7.6-8ubuntu0.6+esm5
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
