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.
CVSS score
2.3/10
010
Low · v4.0 (CVE.org)EPSS score
0.32%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-07-2025PublishedVulnerability first disclosed.
- 29-07-2026Last 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 versionLow 2.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:LSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated2.3LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
- OSV · DebianEcosystem advisory · calculated2.3LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST2.3LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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 score0.32%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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