Loop with Unreachable Exit Condition ('Infinite Loop') Affecting php8.4-dba-debuginfo package, versions <0:8.4.21-1.amzn2023.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.35% (28th percentile)

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  • Snyk IDSNYK-AMZN2023-PHP84DBADEBUGINFO-16884775
  • published27 May 2026
  • disclosed10 May 2026

Introduced: 10 May 2026

CVE-2026-7263  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 php8.4-dba-debuginfo to version 0:8.4.21-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1726.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php8.4-dba-debuginfo package and not the php8.4-dba-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite loop, causing denial of service in the processing application.

CVSS Base Scores

version 3.1