Improper Input Validation Affecting cloudflare-zlib-sys package, versions <0.3.3


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-RUST-CLOUDFLAREZLIBSYS-12601486
  • published10 Sept 2025
  • disclosed4 Jan 2024
  • creditUnknown

Introduced: 4 Jan 2024

CVE-2023-6992  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade cloudflare-zlib-sys to version 0.3.3 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation in the deflate algorithm. A local attacker could exploit the problem during compression using a crafted malicious file potentially leading to denial of service of the software.

References

CVSS Base Scores

version 3.1