CVE-2019-20907
- State
- Published
- Severity
- 5.5 Medium
- Published
- Jul 13, 2020
- Updated
- Oct 14, 2026
- Reserved
- Jul 13, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- FEDORA-2020-dfb11916ccvendor-advisory
- FEDORA-2020-e9251de272vendor-advisory
- USN-4428-1vendor-advisory
- FEDORA-2020-c3b07cc5c9vendor-advisory
- FEDORA-2020-aab24d3714vendor-advisory
- FEDORA-2020-bb919e575evendor-advisory
- FEDORA-2020-97d775e649vendor-advisory
- GLSA-202008-01vendor-advisory
- FEDORA-2020-826b24c329vendor-advisory
- FEDORA-2020-1ddd5273d6vendor-advisory
- FEDORA-2020-87c0a0a52dvendor-advisory
- FEDORA-2020-efb908b6a8vendor-advisory
- FEDORA-2020-d808fdd597vendor-advisory
- FEDORA-2020-982b2950dbvendor-advisory
- FEDORA-2020-c539babb0avendor-advisory
- [debian-lts-announce] 20200822 [SECURITY] [DLA 2337-1] python2.7 security updatemailing-list
- openSUSE-SU-2020:1254vendor-advisory
- openSUSE-SU-2020:1257vendor-advisory
- openSUSE-SU-2020:1258vendor-advisory
- openSUSE-SU-2020:1265vendor-advisory
- FEDORA-2020-d30881c970vendor-advisory
- [debian-lts-announce] 20201119 [SECURITY] [DLA 2456-1] python3.5 security updatemailing-list
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://bugs.python.org/issue39017
- https://github.com/python/cpython/pull/21454
- https://security.netapp.com/advisory/ntap-20200731-0002/
- [debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security updatemailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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