LowDRUPAL-CORE-2021-001

DRUPAL-CORE-2021-001 in drupal/core

Published 20 Jan 2021 · Updated 19 Sept 2026

Affected package

Affected: >=8.0.0 <8.9.13 · >=9.0.0 <9.0.11 · >=9.1.0 <9.1.3
Fixed in: 8.9.13, 9.0.11, 9.1.3

Update to the fixed version for your release line, for example:composer require drupal/core:^9.1.3

Details

The Drupal project uses the pear Archive\_Tar library, which has released a security update that impacts Drupal. For more information please see:

CVE-2020-36193

Exploits may be possible if Drupal is configured to allow .tar, .tar.gz, .bz2, or .tlz file uploads and processes them.

Is DRUPAL-CORE-2021-001 in any of your client repos?

Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected drupal/core, and gives you the command that fixes it.

Scan a project free, no signup Or connect GitHub to scan every repo

References

Linkwww.drupal.org/sa-core-2021-001

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.