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Vulnerability details: VCID-7xj1-972d-cqeb
Vulnerability ID VCID-7xj1-972d-cqeb
Aliases CVE-2017-8658
GHSA-8v2h-4jpm-3wfm
Summary
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.33566 https://api.first.org/data/v1/epss?cve=CVE-2017-8658
epss 0.33566 https://api.first.org/data/v1/epss?cve=CVE-2017-8658
epss 0.33566 https://api.first.org/data/v1/epss?cve=CVE-2017-8658
epss 0.33566 https://api.first.org/data/v1/epss?cve=CVE-2017-8658
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-8v2h-4jpm-3wfm
cvssv3.1 9.8 https://github.com/chakra-core/ChakraCore
generic_textual CRITICAL https://github.com/chakra-core/ChakraCore
cvssv3.1 9.8 https://github.com/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d
generic_textual CRITICAL https://github.com/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d
cvssv3.1 9.8 https://github.com/chakra-core/ChakraCore/pull/3509
generic_textual CRITICAL https://github.com/chakra-core/ChakraCore/pull/3509
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-8658
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2017-8658
cvssv3.1 9.8 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658
generic_textual CRITICAL https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658
cvssv3.1 9.8 https://web.archive.org/web/20210124090857/http://www.securityfocus.com/bid/100036
generic_textual CRITICAL https://web.archive.org/web/20210124090857/http://www.securityfocus.com/bid/100036
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2017-8658
https://github.com/chakra-core/ChakraCore
https://github.com/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d
https://github.com/chakra-core/ChakraCore/pull/3509
https://nvd.nist.gov/vuln/detail/CVE-2017-8658
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658
https://web.archive.org/web/20210124090857/http://www.securityfocus.com/bid/100036
http://www.securityfocus.com/bid/100036
GHSA-8v2h-4jpm-3wfm https://github.com/advisories/GHSA-8v2h-4jpm-3wfm
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/chakra-core/ChakraCore
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:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d
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:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/chakra-core/ChakraCore/pull/3509
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:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-8658
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:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658
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:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://web.archive.org/web/20210124090857/http://www.securityfocus.com/bid/100036
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 0.97045
EPSS Score 0.33566
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-12T01:40:32.883851+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.6.0