CVE-2014-4616

Name: CVE-2014-4616
Creator: NVD / NIST
Published: 2017-08-24T20:29:00.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 8.13%

Last modified Jun 17, 2026

CVE-2014-4616 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Array index error in the scanstring function in the _json module in Python 2.7 through 3.5 and simplejson before 2.6.1 allows context-dependent attackers to read arbitrary process memory via a negative index value in the idx argument to the raw_decode function.. EPSS estimates a 8.13% chance of exploitation in the next 30 days.

Description

Array index error in the scanstring function in the _json module in Python 2.7 through 3.5 and simplejson before 2.6.1 allows context-dependent attackers to read arbitrary process memory via a negative index value in the idx argument to the raw_decode function.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

8.13%

94.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-129

Affected Software

Vendor	Product	Versions
Python	Python	>= 2.7.0, < 2.7.7
Python	Python	>= 3.0.0, < 3.2.6
Python	Python	>= 3.3.0, < 3.3.6
Python	Python	>= 3.4.0, < 3.4.1
Simplejson Project	Simplejson	< 2.6.1
Opensuse	Opensuse	13.1
Opensuse Project	Opensuse	12.3

References

http://bugs.python.org/issue21529Issue Tracking, Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.htmlMailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2014/06/24/7Mailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1064.htmlThird Party Advisory
http://www.securityfocus.com/bid/68119Third Party Advisory, VDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395Issue Tracking, Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1112285Issue Tracking, Patch, Third Party Advisory
https://hackerone.com/reports/12297Exploit, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201503-10Patch, Third Party Advisory, VDB Entry
http://bugs.python.org/issue21529Issue Tracking, Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.htmlMailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2014/06/24/7Mailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1064.htmlThird Party Advisory
http://www.securityfocus.com/bid/68119Third Party Advisory, VDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395Issue Tracking, Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1112285Issue Tracking, Patch, Third Party Advisory
https://hackerone.com/reports/12297Exploit, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201503-10Patch, Third Party Advisory, VDB Entry

Timeline

Published: Aug 24, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-4616?

How severe is CVE-2014-4616?

CVE-2014-4616 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 8.13% probability of exploitation in the next 30 days.

How do I fix CVE-2014-4616?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-4616?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST