No exploitation reportedFix available

CVE-2019-6338

Q: Is CVE-2019-6338 actively exploited?

Active exploitation of CVE-2019-6338 has not been confirmed. Its EPSS score was 2.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-6338?

CVE-2019-6338 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-01-22
Fixed in8.6.6 · 8.5.9 · 7.62
WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC

2019-01-2214:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-6338?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-6338?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Drupal

Branch	Affected	Fixed in	Source
8.6	≥ 8.6.0, < 8.6.6	8.6.6	NVD
8.5	≥ 8.5.0, < 8.5.9	8.5.9	NVD
7.x	≥ 7.0, < 7.62	7.62	NVD

Debian debian linux

Branch	Affected	Fixed in	Source
8.0	= 8.0	no fix published	NVD
9.0	= 9.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Drupal to 8.6.6 · 8.5.9 · 7.62

Advisories and patches

www.drupal.orgPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08read 2026-10-23
NVDCVSS 2.06read 2026-10-23
NVDweakness (CWE)CWE-502read 2026-10-23
FIRST EPSSEPSS score2.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published: 2019-01-22
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-6338?

Is CVE-2019-6338 actively exploited?

Active exploitation of CVE-2019-6338 has not been confirmed. Its EPSS score was 2.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-6338?

CVE-2019-6338 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

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