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Uncontrolled recursion in QDomDocument/QDomNode serialization causes stack exhaustion (QtXml)

CVE-2026-11573 affects azl3 qtbase 6.6.3-5 on Azure Linux 3.0. EPSS 0.00387 (percentile 0.30414), scored 2026-10-03. Fixed version: 5.15.15+dfsg-6+e5.

Published 2026-10-05 08:15:51.121839+00:00

CVE

CVE-2026-11573

Product

azl3 qtbase 6.6.3-5 on Azure Linux 3.0

CCR priority

0.1 /100 (P5)

EPSS

0.00387 · percentile 0.30406 · 2026-10-04

KEV

no

Affected products

• azl3 qtbase 6.6.3-5 on Azure Linux 3.0
• qtbase-opensource-src · Fixed version: 5.15.15+dfsg-6+e5

Provenance

• Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
• OSV.dev · Source record · observed 2026-10-04 23:49:35.786600+00:00 UTC
• FIRST EPSS daily exploit-probability · Source record · observed 2026-10-05 08:16:32.814186+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-11573.html