Loop with Unreachable Exit Condition ('Infinite Loop') Affecting nemo package, versions <2.7.3-r45


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-NEMO-22119107
  • published1 Nov 2026
  • disclosed29 Oct 2026

Introduced: 29 Oct 2026

NewCVE-2026-119205  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Chainguard nemo to version 2.7.3-r45 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 6.21.4, pypdf can enter an infinite loop when cloning or duplicating a crafted cyclic DictionaryObject. Clone traversal checked generated destination references rather than the original source references, allowing some source cycles to evade the visited-object check. This issue is fixed in version 6.21.4.

CVSS Base Scores

version 3.1