phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

DRUPAL-CORE-2021-001: The Drupal project uses the pear Archive\_Tar library, which has released a security update that impacts Drupal. For mor

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

The Drupal project uses the pear Archive\_Tar library, which has released a security update that impacts Drupal. For mor

Package
drupal/core Composer
Affected versions
>= 8.0.0 <8.9.13 or >= 9.0.0 <9.0.11 or >=9.1.0 <9.1.3
Fixed in
8.9.13, 9.0.11, 9.1.3
Severity
unknown
Exploitation
not on CISA KEV
Published
2021-01-20
Source
osv.dev

References

NVD recorddrupal/core advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories