Loop with Unreachable Exit Condition ('Infinite Loop') Affecting expat package, versions <2.7.5-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-ALPINE321-EXPAT-15704571
  • published20 Mar 2026
  • disclosed16 Mar 2026

Introduced: 16 Mar 2026

NewCVE-2026-32777  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 expat to version 2.7.5-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

libexpat before 2.7.5 allows an infinite loop while parsing DTD content.

CVSS Base Scores

version 3.1