Allocation of Resources Without Limits or Throttling Affecting M2Team/NanaZip package, versions [5.0.1250.0,6.0.1698.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published14 May 2026
- disclosed12 May 2026
- creditJarLob
Introduced: 12 May 2026
CVE-2026-42444 (opens in a new tab)How to fix?
Upgrade M2Team/NanaZip to version 6.0.1698.0 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the Open process of the littlefs filesystem image parser when the BlockCount value is read directly from the attacker-controlled superblock without validation. An attacker can exhaust system memory by supplying a crafted image with a large BlockCount value, causing excessive heap allocations.