AIKIDO-2026-974181
adm-zip is vulnerable to Denial of Service (DoS)
53
Medium Risk
This Affects:
adm-zipTL;DR
adm-zip enforces its maxOutputLength decompression bomb cap on the synchronous getData() path but not on the asynchronous getDataAsync() path. The streaming async inflate accumulates the entire decompressed payload without checking the cap. A crafted archive read through the async API decompresses without limit and exhausts memory even though the sync API rejects it. The fix enforces the size cap by hand inside the async data handler.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you decompress untrusted archives through the asynchronous API.
Background info
adm-zip is vulnerable to Denial of Service (DoS) in versions 0.6.0 - 0.6.0.
How to fix this
Upgrade the adm-zip library to the patch version.
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