CVE-2014-8991

pip 1.3 through 1.5.6 allows local users to cause a denial of service (prevention of package installation) by creating a /tmp/pip-build-* file for another user.

Published: 2014-11-24 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-8991 is rated Low Risk (19.2/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.14%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-8991

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.16% 0.14% -0.02%
2 2025-03-29 0.14% 0.16% +0.02%
3 2025-03-17 — 0.14% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8991

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2014-8991

GitHub Security Advisory for CVE-2014-8991

GHSA-53mr-44pp-crf4 · Severity: medium · Ecosystem: pip — pip lack of randomness in build directory

OS Trackers for CVE-2014-8991

vendor priority summary link
debian not yet assigned CVE-2014-8991 not yet assigned priority: Debian including 1 source packages (python-pip), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-8991
redhat low — https://access.redhat.com/security/cve/CVE-2014-8991
suse medium CVE-2014-8991 severity moderate: SUSE including 325 source package names (3.9.20-50.2:python39-pip-20.2.4-7.5.1, 3.9.20-50.2:python39-setuptools-44.1.1-7.3.1, …), 448 product×package rows across 79 product lines (Container bci/python, Container containers/python, … (79 product lines)): Known Affected 231, Fixed 159, Known Not Affected 58. https://www.suse.com/security/cve/CVE-2014-8991/
ubuntu low CVE-2014-8991 low priority: Ubuntu including 1 source packages (python-pip), 12 status rows across 12 suites (artful, bionic, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 8, not-affected 3, released 1. https://ubuntu.com/security/CVE-2014-8991

Affected software / configurations for CVE-2014-8991

Vendor Product Version Raw CPE
pypa pip >= 1.3, <= 1.5.6 cpe:2.3:a:pypa:pip:*:*:*:*:*:*:*:*
oracle solaris 11.2 cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*

References for CVE-2014-8991

cvelogic Threat Intelligence