Loop with Unreachable Exit Condition ('Infinite Loop') Affecting nemo package, versions <2.6.1-r4


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.39% (31st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-NEMO-15253524
  • published10 Feb 2026
  • disclosed27 Jan 2026

Introduced: 27 Jan 2026

CVE-2026-24688  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Chainguard nemo to version 2.6.1-r4 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. An attacker who uses an infinite loop vulnerability that is present in versions prior to 6.6.2 can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks. This has been fixed in pypdf 6.6.2. If projects cannot upgrade yet, consider applying the changes from PR #3610 manually.

CVSS Base Scores

version 3.1