What is CVE-2025-5683?

CVE-2025-5683 is a medium-severity vulnerability in Qt, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2025-06-05.

How severe is CVE-2025-5683?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2025-5683 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Qt

CVE-2025-5683

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.

EPSS: 0.002 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Qt — versions 6.9.1, 6.3.0, 6.5.10
The Qt Company — versions 0, 6.3.0, 6.5.10

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

a59d8014-47c4-4630-ab43-e1b13cbe58e3 (Patch, Issue Tracking)
a59d8014-47c4-4630-ab43-e1b13cbe58e3 (Patch)

Frequently asked questions

What is CVE-2025-5683?: CVE-2025-5683 is a medium-severity vulnerability in Qt, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2025-06-05.
How severe is CVE-2025-5683?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-5683 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.