2.3

CVE-2025-5992: qt Improper Input Validation

CVSS: 2.3v4.0LowDeferred
AliasesUBUNTU-CVE-2025-5992DEBIAN-CVE-2025-5992openSUSE-SU-2025:15345-1
Published 11-07-2025Last modified 29-07-2026

Vulnerability summary

CVE-2025-5992 is a low (CVSS 2.3) Improper Input Validation vulnerability in qt. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 22.9% of scored vulnerabilities.

Overall risk
9/100
0100
Minimal · default modelHow is this calculated?
CVSS score
2.3/10
010
Low · v4.0 (CVE.org)
EPSS score
0.32%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-07-2025
    PublishedVulnerability first disclosed.
  2. 29-07-2026
    Last modifiedVulnerability information updated.

Description

When passing values outside of the expected range to QColorTransferGenericFunction it can cause a denial of service, for example, this can happen when passing a specifically crafted ICC profile to QColorSpace::fromICCProfile. This issue affects Qt from 6.6.0 through 6.8.3, from 6.9.0 through 6.9.1. This is fixed in 6.8.4 and 6.9.2.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

+0.05 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • qt6-baseAll versions (No fix recorded) | < 6.8.2+dfsg-9
Opensuse1 product
  • qt6-base&distro=openSUSE Tumbleweed< 6.9.1-2.1
Qt1 product
  • qt≥ 6.6.0, ≤ 6.8.3 | ≥ 6.9.0, ≤ 6.9.1
Ubuntu1 product
  • qt6-baseAll versions (No fix recorded)

4 vendors · 4 products

References

5 links