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CVE-2019-20907
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…
Medium5.5EPSS 3.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.0% · top 13% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (28)
- FEDORA-2020-dfb11916cc (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-e9251de272 (opens in a new tab)vendor-advisoryx_transferred
- USN-4428-1 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-c3b07cc5c9 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-aab24d3714 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-bb919e575e (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-97d775e649 (opens in a new tab)vendor-advisoryx_transferred
- GLSA-202008-01 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-826b24c329 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-1ddd5273d6 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-87c0a0a52d (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-efb908b6a8 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-d808fdd597 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-982b2950db (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-c539babb0a (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20200822 [SECURITY] [DLA 2337-1] python2.7 security update (opens in a new tab)mailing-listx_transferred
- openSUSE-SU-2020:1254 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2020:1257 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2020:1258 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2020:1265 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2020-d30881c970 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20201119 [SECURITY] [DLA 2456-1] python3.5 security update (opens in a new tab)mailing-listx_transferred
- https://www.oracle.com/security-alerts/cpujan2021.html (opens in a new tab)x_transferred
- https://bugs.python.org/issue39017 (opens in a new tab)x_transferred
- https://github.com/python/cpython/pull/21454 (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20200731-0002/ (opens in a new tab)x_transferred
- [debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security update (opens in a new tab)mailing-listx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2019-20907)Record last updated .