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Vulnerability details: VCID-cwra-a4xc-budx
Vulnerability ID VCID-cwra-a4xc-budx
Aliases CVE-2014-4616
GHSA-9772-cwx9-r4cj
Summary Improper Validation of Array Index 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-129 Improper Validation of Array Index
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-786 Access of Memory Location Before Start of Buffer
System Score Found at
cvssv3.1 5.9 http://bugs.python.org/issue21529
generic_textual MODERATE http://bugs.python.org/issue21529
cvssv3.1 5.9 http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.html
cvssv3.1 5.9 http://openwall.com/lists/oss-security/2014/06/24/7
generic_textual MODERATE http://openwall.com/lists/oss-security/2014/06/24/7
cvssv3.1 5.9 http://rhn.redhat.com/errata/RHSA-2015-1064.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2015-1064.html
epss 0.00427 https://api.first.org/data/v1/epss?cve=CVE-2014-4616
epss 0.00427 https://api.first.org/data/v1/epss?cve=CVE-2014-4616
epss 0.00427 https://api.first.org/data/v1/epss?cve=CVE-2014-4616
epss 0.00427 https://api.first.org/data/v1/epss?cve=CVE-2014-4616
cvssv3.1 5.9 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395
generic_textual MODERATE https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395
cvssv3.1 5.9 https://bugzilla.redhat.com/show_bug.cgi?id=1112285
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=1112285
cvssv3.1 5.9 https://github.com/simplejson/simplejson
generic_textual MODERATE https://github.com/simplejson/simplejson
cvssv3.1 5.9 https://hackerone.com/reports/12297
generic_textual MODERATE https://hackerone.com/reports/12297
cvssv3.1 5.9 https://nvd.nist.gov/vuln/detail/CVE-2014-4616
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2014-4616
cvssv3.1 5.9 https://security.gentoo.org/glsa/201503-10
generic_textual MODERATE https://security.gentoo.org/glsa/201503-10
cvssv3.1 5.9 http://www.securityfocus.com/bid/68119
generic_textual MODERATE http://www.securityfocus.com/bid/68119
Reference id Reference type URL
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
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2014-4616.json
https://api.first.org/data/v1/epss?cve=CVE-2014-4616
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395
https://bugzilla.redhat.com/show_bug.cgi?id=1112285
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4616
https://github.com/simplejson/simplejson
https://hackerone.com/reports/12297
https://security.gentoo.org/glsa/201503-10
http://www.securityfocus.com/bid/68119
CVE-2014-4616 https://nvd.nist.gov/vuln/detail/CVE-2014-4616
GHSA-9772-cwx9-r4cj https://github.com/advisories/GHSA-9772-cwx9-r4cj
RHSA-2015:1064 https://access.redhat.com/errata/RHSA-2015:1064
RHSA-2015:2101 https://access.redhat.com/errata/RHSA-2015:2101
USN-2653-1 https://usn.ubuntu.com/2653-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at http://bugs.python.org/issue21529
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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unchanged

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Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at http://openwall.com/lists/oss-security/2014/06/24/7
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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unchanged

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Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at http://rhn.redhat.com/errata/RHSA-2015-1064.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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none

required

unchanged

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none

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Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=1112285
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/simplejson/simplejson
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://hackerone.com/reports/12297
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2014-4616
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://security.gentoo.org/glsa/201503-10
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at http://www.securityfocus.com/bid/68119
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.62738
EPSS Score 0.00427
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:43:22.850033+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/pypi/simplejson/CVE-2014-4616.yml 38.6.0