CVE-2026-8814
Medium
Description
Versions of the package exifreader before 4.39.0 are vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) due to decompressing PNG zTXt metadata without enforcing a built-in maximum decompressed output size. When asynchronous parsing is enabled, a crafted PNG file containing a highly compressed zTXt chunk can cause ExifReader to materialize a disproportionately large Comment value in memory.
SeverityMedium
CVSS5.3
Exploit probability—
ProductExifreader
PublishedMay 19, 2026
First seenMay 19, 2026
Weakness typeCWE-409CWE-409
How to fix
Update
- exifreader4.39.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| exifreadernpm | 4.20.0 ≤ v < 4.39.0 | 4.39.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.