Improper Handling of Highly Compressed Data (Data Amplification) Affecting nemo package, versions <2.5.2-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.07% (23rd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-NEMO-13723925
  • published28 Oct 2025
  • disclosed22 Oct 2025

Introduced: 22 Oct 2025

CVE-2025-62708  (opens in a new tab)
CWE-409  (opens in a new tab)

How to fix?

Upgrade Chainguard nemo to version 2.5.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nemo package and not the nemo package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. This has been fixed in pypdf version 6.1.3.

CVSS Base Scores

version 3.1