CVE-2025-30348 — Inefficient Algorithmic Complexity in QT

CWE-407 — Inefficient Algorithmic Complexity5 documents5 sources
Severity
5.3MEDIUMNVD
EPSS
0.2%
top 60.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
QTDebian Qt6-baseDebian Qtbase-opensource-src+3 more
Timeline
PublishedMar 21

Description

encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML string copy and inline replacement of parts of a string (with relocation of later data).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages6 packages

▶NVDqt/qt6.0.0 — 6.5.9+2
▶debiandebian/qt6-base< qt6-base 6.8.2+dfsg-5 (forky)
▶debiandebian/qtbase-opensource-src< qt6-base 6.8.2+dfsg-5 (forky)
▶debiandebian/qtbase-opensource-src-gles< qt6-base 6.8.2+dfsg-5 (forky)

Patches

Patch: codereview.qt-project.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-hc3c-6xqp-r265: encodeText in QDom in Qt before 6↗2025-03-21
▶
OSV
CVE-2025-30348: encodeText in QDom in Qt before 6↗2025-03-21
▶

📋Vendor Advisories

2
Microsoft
encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML string copy and inline replacement of parts of a string (with relocation of later data).↗2025-03-11
▶
Debian
CVE-2025-30348: qt6-base - encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML stri...↗2025
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CVE-2025-30348 — Inefficient Algorithmic Complexity | cvebase