What’s Vulnerable › Vulnerabilities

CVE-2021-38623

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-13 · updated 2026-06-17
• Weakness: CWE-404

Description

The deferred_image_processing (aka Deferred image processing) extension before 1.0.2 for TYPO3 allows Denial of Service via the FAL API because of /var/transient disk consumption.

Affected products

• Deferred Image Processing Project Deferred Image Processing: before 1.0.2 — fixed in 1.0.2

How to fix

Upgrade to a fixed version: Deferred Image Processing Project Deferred Image Processing 1.0.2. Check the vendor advisory for mitigations.

References

• https://typo3.org/security/advisory/typo3-ext-sa-2021-009
• https://typo3.org/security/advisory/typo3-ext-sa-2021-009

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