CVE-2025-5683: When loading a specifically crafted ICNS format image file in QImage then it will trigger a crash. This issu

Routine

MEDIUM 5.5UPGRADE

CVE-2025-5683 is a medium-severity flaw (CVSS 5.5) affecting qt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-770
Published	2025-06-05
Last modified	2026-07-29

Publisher (CNA): TQtC · Vendor: qt

Last updated 2026-07-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-05 06:15 UTCPublished CVE record published
2026-07-29 09:16 UTCUpdated Record last modified

qt qt UPGRADE

Affected: >= 6.3.0 and < 6.5.10 · >= 6.6.0 and < 6.8.5 · >= 6.9.0 and < 6.9.1

Fixed in: 6.5.10, 6.8.5, 6.9.1

Safe to downgrade to: a release before 6.3.0

1. Check installed version

apt-cache policy qt || rpm -q qt || qt --version

2. UPGRADE to 6.5.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade qt

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade qt

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 6.3.0 (Debian / Ubuntu)

apt-cache madison qt sudo apt install qt=<VERSION_BEFORE_6.3.0> sudo apt-mark hold qt

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list qt sudo dnf downgrade qt-<VERSION_BEFORE_6.3.0> sudo dnf versionlock add qt

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-5683?

qt: upgrade to 6.5.10, 6.8.5, 6.9.1. Exact commands for each OS are on this page.

Is CVE-2025-5683 being exploited?

CVE-2025-5683 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-5683 affect?

CVE-2025-5683 affects qt. Severity is medium (CVSS 5.5). 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.

How urgent is CVE-2025-5683?

Priority 23/100. No elevated risk signals yet.

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References

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