CVE-2016-9452 Drupal Denial of service via transliterate mechanism

What is CVE-2016-9452?

CVE-2016-9452 is a medium-severity denial of service vulnerability in Drupal Drupal, published on 25 Nov 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The transliterate mechanism in Drupal 8.x before 8.2.3 allows remote attackers to cause a denial of service via a crafted URL.

Weakness: CWE-20

Which versions are affected by CVE-2016-9452?

4 open source packages ship an affected version, including drupal/core and drupal/drupal. It affects 1 product.

Products include Drupal Drupal.

How do I fix CVE-2016-9452?

Upgrade drupal/core to 8.2.3 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-9452 being exploited?

There is no known exploitation of CVE-2016-9452 in the wild and no public exploit code.

Other vulnerabilities in Drupal Drupal

• CVE-2026-9082 Drupal Core SQL Injection Exploited Critical 9.8
• CVE-2020-13671 Drupal core Un-restricted Upload of File Exploited High 8.8
• CVE-2019-6340 Drupal Core Remote Code Execution Exploited High 8.1
• CVE-2009-3352 Other in n/a Critical 10.0
• CVE-2024-55636 Drupal core - Less critical - Gadget chain - SA-CORE-2024-006 Critical 9.8

All Drupal Drupal vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jpj8-49hr-wcwv.