npm/adm-zip

Arbitrary File Write in adm-zip

Modified: 11/8/2023

adm-zip: Uncontrolled memory allocation via the declared uncompressed size (DoS)

Modified: 9/18/2026

adm-zip: Unhandled error event in async DEFLATE decompression crashes Node.js process (DoS)

Modified: 10/21/2026

adm-zip: getDataAsync() bypasses the maxOutputLength size guard enforced by the synchronous getData() path

Modified: 10/21/2026

adm-zip extraction preserves SUID/SGID bits from untrusted ZIPs -> local privilege escalation

Modified: 10/8/2026

adm-zip: Duplicate ZIP entry names: getEntry() and extractAllTo() resolve to different content

Modified: 10/21/2026

adm-zip: Decompression-bomb protection (fix for CVE-2026-39244) can be bypassed by declaring uncompressed size as 0

Modified: 9/29/2026

adm-zip extraction follows destination symlinks, allowing arbitrary file overwrite

Modified: 9/8/2026

adm-zip: Crafted ZIP file triggers 4GB memory allocation

Modified: 9/10/2026