Qt up to 6.8.8/6.11.2 VectorImage QML Type integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k2.76+

Summaryinfo

A vulnerability identified as problematic has been detected in Qt up to 6.8.8/6.11.2. The affected element is an unknown function of the component VectorImage QML Type. The manipulation leads to integer overflow. This vulnerability is uniquely identified as CVE-2026-105923. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Qt up to 6.8.8/6.11.2. It has been rated as problematic. This issue affects some unknown functionality of the component VectorImage QML Type. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is availability. The summary by CVE is:

A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.

It is possible to read the advisory at wiki.qt.io. The identification of this vulnerability is CVE-2026-105923 since 10/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 6.8.9 or 6.11.3 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Qt 6.8.9/6.11.3

Timelineinfo

10/06/2026 CVE reserved
10/21/2026 +15 days Advisory disclosed
10/21/2026 +0 days VulDB entry created
10/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wiki.qt.io
Status: Confirmed

CVE: CVE-2026-105923 (🔒)
GCVE (CVE): GCVE-0-2026-105923
GCVE (VulDB): GCVE-100-424727

Entryinfo

Created: 10/21/2026 11:39
Changes: 10/21/2026 11:39 (70)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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