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Vulnerability · Published Jun 5, 2025 · Assigned by TQtC

CVE-2025-5683

Medium 5.1

In plain English

A medium-severity resource allocation without limits in Qt from Qt. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.2%top 84.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

When loading a specifically crafted ICNS format image file in QImage then it will trigger a crash.  This issue affects Qt from versions 6.3.0 through 6.5.9, from 6.6.0 through 6.8.4, 6.9.0. This is fixed in 6.5.10, 6.8.5 and 6.9.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12qt6-imageformatsno fix listedDEBIAN-CVE-2025-5683
Debian:13qt6-imageformats6.8.2-4DEBIAN-CVE-2025-5683
Debian:14qt6-imageformats6.8.2-4DEBIAN-CVE-2025-5683
Debian:12qtimageformats-opensource-srcno fix listedDEBIAN-CVE-2025-5683
Debian:13qtimageformats-opensource-src5.15.15-4DEBIAN-CVE-2025-5683
Debian:14qtimageformats-opensource-src5.15.15-4DEBIAN-CVE-2025-5683
Ubuntu:22.04:LTSqt6-imageformatsno fix listedUBUNTU-CVE-2025-5683
Ubuntu:24.04:LTSqt6-imageformatsno fix listedUBUNTU-CVE-2025-5683
Ubuntu:25.10qt6-imageformatsno fix listedUBUNTU-CVE-2025-5683
Ubuntu:26.04:LTSqt6-imageformatsno fix listedUBUNTU-CVE-2025-5683
Ubuntu:26.10qt6-imageformatsno fix listedUBUNTU-CVE-2025-5683
Ubuntu:22.04:LTSqtimageformats-opensource-srcno fix listedUBUNTU-CVE-2025-5683
Ubuntu:24.04:LTSqtimageformats-opensource-srcno fix listedUBUNTU-CVE-2025-5683
Ubuntu:25.10qtimageformats-opensource-srcno fix listedUBUNTU-CVE-2025-5683
Ubuntu:26.04:LTSqtimageformats-opensource-srcno fix listedUBUNTU-CVE-2025-5683
Ubuntu:26.10qtimageformats-opensource-srcno fix listedUBUNTU-CVE-2025-5683

Affected products (as reported)

VendorProductVersions
Qt Qt 6.3.0 – through 6.5.96.6.0 – through 6.8.46.9.0

Weakness: CWE-770 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L

References