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CVE-2019-6338: Drupal core third-party PEAR Archive_Tar library is vulnerable to Deserialization of Untrusted Data

high Affects drupal/drupal, drupal/core. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Drupal core third-party PEAR Archive_Tar library is vulnerable to Deserialization of Untrusted Data

Package
drupal/drupal Composer
Affected versions
>=7.0.0 and <7.62.0 or >=8.0.0 and <8.5.9 or >=8.6.0 and <8.6.6 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.2.0 or >=8.2.0 and <8.3.0 or >=8.3.0 and <8.4.0 or >=8.4.0 and <8.5.0 or >=8.5.0 and <8.5.9
Fixed in
7.62.0, 8.5.9, 8.6.6
Severity
high  CVSS 8.0
Exploitation
not on CISA KEV · EPSS 2% (81.8th percentile)
Published
2019-12-02
Source
osv.dev

References

Drupal core uses the third-party PEAR Archive\_Tar library. This library has released a security update which impacts so

Package
drupal/core Composer
Affected versions
>= 8.0.0 <8.5.9 or >=8.6.0 <8.6.6 or >=7.0.0 and <7.62.0 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.2.0 or >=8.2.0 and <8.3.0 or >=8.3.0 and <8.4.0 or >=8.4.0 and <8.5.0 or >=8.5.0 and <8.5.9 or >=8.6.0 and <8.6.6
Fixed in
8.5.9, 8.6.6, 7.62.0
Severity
unknown
Exploitation
not on CISA KEV · EPSS 2% (81.8th percentile)
Published
2019-01-16
Source
osv.dev

References

CWE-502
NVD recorddrupal/drupal advisoriesdrupal/core advisories

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