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CVE-2019-9948

CRITICAL
9.1
CVSS Score
Published: March 23, 2019 at 05:07 PM UTC
Updated: October 14, 2026 at 07:16 AM UTC
11 products affected across 6 vendorsDebian LinuxFedoraUbuntu Linux

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Severity
CRITICAL9.1
Exploit prediction
EPSS 12%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
12.0414.0416.0418.0419.04
Debian Linux· Debiandrupal
95%
8.09.0
Fedora· Fedora Projectrpm
95%
2930
Leap· openSUSEdrupal
95%
15.042.3
Python· Python
95%
2.0 ≤ v < 2.7.173.5.0 ≤ v < 3.5.83.6.0 ≤ v < 3.6.93.7.0 ≤ v < 3.7.4
Affected range stops below 2.7.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.5.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.6.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.7.4, so it looks safe — our inference, not a vendor statement
Enterprise Linux Desktop· Red Hatrubygems
95%
7.08.0
Enterprise Linux Eus· Red Hatrpm
95%
8.18.28.48.6
Enterprise Linux Server· Red Hatrubygems
95%
7.08.0
Enterprise Linux Server Eus· Red Hatrubygems
95%
8.4
Enterprise Linux Tus· Red Hat
95%
8.28.48.6

References (23)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/107549
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:1700
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:2030
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:3335
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:3520

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.1CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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