Disclosure summary
urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('local_file:///etc/passwd') call.
Source-reported weakness categories
CWE-22
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2019-9948
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| python | python | * {"versionStartIncluding":"3.7.0","versionEndExcluding":"3.7.4"} |
| opensuse | leap | 15.0 |
| opensuse | leap | 42.3 |
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
| fedoraproject | fedora | 29 |
| fedoraproject | fedora | 30 |
| canonical | ubuntu_linux | 12.04 |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 16.04 |
| canonical | ubuntu_linux | 18.04 |
| canonical | ubuntu_linux | 19.04 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_desktop | 8.0 |
| redhat | enterprise_linux_eus | 8.1 |
| redhat | enterprise_linux_eus | 8.2 |
| redhat | enterprise_linux_eus | 8.4 |
| redhat | enterprise_linux_eus | 8.6 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_server | 8.0 |
| redhat | enterprise_linux_server_eus | 8.4 |
| redhat | enterprise_linux_tus | 8.2 |
| redhat | enterprise_linux_tus | 8.4 |
| redhat | enterprise_linux_tus | 8.6 |
| redhat | enterprise_linux_workstation | 7.0 |
| redhat | enterprise_linux_workstation | 8.0 |
Original records & references
- NIST NVD record
- CVE Program record
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- bugs.python.org — Exploit, Issue Tracking, Vendor Advisory
- github.com — Patch, Third Party Advisory
- lists.apache.org
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.fedoraproject.org
- lists.fedoraproject.org
- seclists.org — Mailing List, Third Party Advisory
- security.gentoo.org — Third Party Advisory
- security.netapp.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- bugs.python.org — Exploit, Issue Tracking, Vendor Advisory
- github.com — Patch, Third Party Advisory
- lists.apache.org
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.fedoraproject.org
- lists.fedoraproject.org
- seclists.org — Mailing List, Third Party Advisory
- security.gentoo.org — Third Party Advisory
- security.netapp.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
PUBLISHED 2019-03-23T14:29:02-04:00
MODIFIED 2026-10-07T15:17:16-04:00
INGESTED 2026-10-08T12:30:34-04:00