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.
http://bugs.python.org/issue21529
http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.html
http://openwall.com/lists/oss-security/2014/06/24/7
http://rhn.redhat.com/errata/RHSA-2015-1064.html
http://www.securityfocus.com/bid/68119
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395
https://bugzilla.redhat.com/show_bug.cgi?id=1112285
Source: MITRE
Published: 2017-08-24
Updated: 2018-10-30
Type: CWE-119
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 5.9
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 2.2
Severity: MEDIUM