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CVE-2026-45820Published

fflate through 0.8.2 is vulnerable to denial of service via an infinite loop in unzipSync(). A crafted ZIP archive with a central directory entry declaring compressed_size=0xFFFFFFFF (ZIP64 sentinel) but missing the required ZIP64 extra fie…

Exact source revision recorded 25 Oct 2026 12:17:14 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

nvd · CVE-2026-45820

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-400 · CWE-835

Original publisher date fields

published: 2026-07-22T08:16:23.280

lastModified: 2026-10-24T17:10:00.220

1 source CPE criteria · context only
  • cpe:2.3:a:101arrowz:fflate:*:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 7 Nov 21:58 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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