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Security Advisories

CVE-2026-32630

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-32630

Severity

5.3

Medium

CVSS V3

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Summary

file-type affected by ZIP Decompression Bomb DoS via [Content_Types].xml entry

Description

file-type detects the file type of a file, stream, or data. From 20.0.0 to 21.3.1, a crafted ZIP file can trigger excessive memory growth during type detection in file-type when using fileTypeFromBuffer(), fileTypeFromBlob(), or fileTypeFromFile(). The ZIP inflate output limit is enforced for stream-based detection, but not for known-size inputs. As a result, a small compressed ZIP can cause file-type to inflate and process a much larger payload while probing ZIP-based formats such as OOXML. This vulnerability is fixed in 21.3.2.

Affected packages

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