{"cve":"CVE-2019-20907","nvd":{"published":"2020-07-13T13:15:10.763","modified":"2026-10-14T08:17:01.633","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-835"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00051.html","http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00052.html","http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00053.html","http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00056.html","https://bugs.python.org/issue39017"],"products":["canonical:ubuntu_linux","debian:debian_linux","fedoraproject:fedora","netapp:active_iq_unified_manager","netapp:cloud_volumes_ontap_mediator","opensuse:leap","oracle:zfs_storage_appliance_kit","python:python"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2019-20907","score":0.02985,"percentile":0.87204,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}