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adm-zip

9 known vulnerabilities.

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  • High 7.5
    CVE-2026-114102 Public exploit

    adm-zip before 0.6.1 Denial of Service via inflateAsync Unhandled Error Event

    adm-zip before 0.6.1 contains a denial of service vulnerability that allows unauthenticated attackers to crash the Node.js process via a malformed ZIP file, because inflateAsync in methods/inflater.js lacks a zlib stream error listener. Attackers can supply a…

  • High 7.1
    CVE-2026-102282 Public exploit

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

    adm-zip is a JavaScript library for creating and extracting ZIP archives in Node.js. Prior to 0.6.1, adm-zip applies the Unix permission bits stored in a zip entry directly to the extracted file via `fs.chmodSync()` when `keepOriginalPermission=true` is passe…

  • High 7.5

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

    adm-zip is a JavaScript library for creating and extracting ZIP archives in Node.js. Prior to 0.6.1, getData() in zipEntry.js trusts an entry's central-directory uncompressed size and allocates output memory before validating that value against the actual com…

  • High 7.5

    adm-zip 0.5.14 through 0.6.0 Denial of Service via Zero Declared Uncompressed Size

    adm-zip versions 0.5.14 through 0.6.0 fail to apply zlib decompression output limits when ZIP entries declare zero uncompressed size. Attackers can craft malicious ZIP archives with highly compressible entries declaring zero size to exhaust memory and cause d…

  • High 7.5

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

    adm-zip before 0.5.18 is vulnerable to denial of service via a crafted ZIP file with a manipulated uncompressed size header field. In zipEntry.js line 103, Buffer.alloc(_centralHeader.size) allocates memory based on the declared uncompressed size from the ZIP…