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Vulnerability details: VCID-ek5c-u2d4-hqef
Vulnerability ID VCID-ek5c-u2d4-hqef
Aliases CVE-2019-6338
GHSA-6rmq-x2hv-vxpp
Summary Drupal core third-party PEAR Archive_Tar library is vulnerable to Deserialization of Untrusted Data In Drupal Core versions 7.x prior to 7.62, 8.6.x prior to 8.6.6 and 8.5.x prior to 8.5.9; Drupal core uses the third-party PEAR Archive_Tar library. This library has released a security update which impacts some Drupal configurations. Refer to CVE-2018-1000888 for details
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-502 Deserialization of Untrusted Data
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 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00653 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00679 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00679 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
epss 0.00679 https://api.first.org/data/v1/epss?cve=CVE-2019-6338
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-6rmq-x2hv-vxpp
cvssv3.1 8.0 https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2019-6338.yaml
generic_textual HIGH https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2019-6338.yaml
cvssv3.1 8.0 https://lists.debian.org/debian-lts-announce/2019/02/msg00032.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2019/02/msg00032.html
cvssv2 6.0 https://nvd.nist.gov/vuln/detail/CVE-2019-6338
cvssv3 8.0 https://nvd.nist.gov/vuln/detail/CVE-2019-6338
cvssv3.1 8.0 https://nvd.nist.gov/vuln/detail/CVE-2019-6338
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2019-6338
cvssv3.1 8.0 https://www.debian.org/security/2019/dsa-4370
generic_textual HIGH https://www.debian.org/security/2019/dsa-4370
cvssv3.1 8.0 https://www.drupal.org/sa-core-2019-001
generic_textual HIGH https://www.drupal.org/sa-core-2019-001
cvssv3.1 8.0 http://www.securityfocus.com/bid/106706
generic_textual HIGH http://www.securityfocus.com/bid/106706
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-6338
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6338
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6339
https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2019-6338.yaml
https://lists.debian.org/debian-lts-announce/2019/02/msg00032.html
https://nvd.nist.gov/vuln/detail/CVE-2019-6338
https://www.debian.org/security/2019/dsa-4370
https://www.drupal.org/sa-core-2019-001
http://www.securityfocus.com/bid/106706
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
GHSA-6rmq-x2hv-vxpp https://github.com/advisories/GHSA-6rmq-x2hv-vxpp
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2019-6338.yaml
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:L/UI:R/S:U/C:H/I:H/A:H Found at https://lists.debian.org/debian-lts-announce/2019/02/msg00032.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

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6338
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6338
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:L/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6338
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:L/UI:R/S:U/C:H/I:H/A:H Found at https://www.debian.org/security/2019/dsa-4370
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:L/UI:R/S:U/C:H/I:H/A:H Found at https://www.drupal.org/sa-core-2019-001
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:L/UI:R/S:U/C:H/I:H/A:H Found at http://www.securityfocus.com/bid/106706
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 0.69984
EPSS Score 0.00653
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:57:32.694721+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/12/GHSA-6rmq-x2hv-vxpp/GHSA-6rmq-x2hv-vxpp.json 37.0.0