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CVE-2026-103645

Medium priority
Needs evaluation

An integer overflow vulnerability in the Qt QTextCodec fromUnicode() and toUnicode() functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt Core module (Qt 5). Only builds where Qt is compiled with ICU support...

3 affected packages

qt6-5compat, qtbase-opensource-src, qtbase-opensource-src-gles

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qt6-5compat Needs evaluation Needs evaluation Needs evaluation — —
qtbase-opensource-src Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
qtbase-opensource-src-gles Needs evaluation Needs evaluation Needs evaluation Needs evaluation —
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CVE-2026-82292

Medium priority
Needs evaluation

A NULL pointer dereference vulnerability in the Qt Framework QDomDocument::setContent() XML parsing path of the Qt XML module (qtbase).

2 affected packages

qt6-base, qtbase-opensource-src

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qt6-base Needs evaluation Needs evaluation Needs evaluation — —
qtbase-opensource-src Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-116337

Medium priority
Needs evaluation

Uncontrolled resource consumption vulnerability in the Qt Framework HTTP response handling functionality of the Qt Network module.

2 affected packages

qt6-base, qtbase-opensource-src

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qt6-base Needs evaluation Needs evaluation Needs evaluation — —
qtbase-opensource-src Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-107479

Medium priority
Needs evaluation

An integer truncation vulnerability in the QTextCodec conversion functions of the Qt 5 Core Compatibility APIs module impacts the Qt Framework. An application using the affected functionality could crash.

2 affected packages

qt6-5compat, qtbase-opensource-src

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qt6-5compat Needs evaluation Needs evaluation Needs evaluation — —
qtbase-opensource-src Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-105924

Medium priority
Needs evaluation

A NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.

2 affected packages

qt6-base, qtbase-opensource-src

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qt6-base Needs evaluation Needs evaluation Needs evaluation — —
qtbase-opensource-src Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-105946

Medium priority
Needs evaluation

Out-of-bounds read in the QAuthenticator NTLM authentication handling in the Qt Network module in Qt Group Qt allows remote attackers to obtain sensitive information (heap memory contents) or cause a denial of service (application...

2 affected packages

qt6-base, qtbase-opensource-src

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qt6-base Needs evaluation Needs evaluation Needs evaluation — —
qtbase-opensource-src Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-107157

Medium priority
Needs evaluation

Specially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may crash the application and could expose information.

1 affected package

qtbase-opensource-src

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qtbase-opensource-src Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-16762

Medium priority
Needs evaluation

An attacker able to supply a crafted XML document to an application using QXmlStreamReader can cause disproportionate CPU consumption during parsing, making the application unresponsive (denial of service). Exploitation requires...

1 affected package

qtbase-opensource-src-gles

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qtbase-opensource-src-gles Needs evaluation Needs evaluation Needs evaluation Needs evaluation —
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CVE-2026-105923

Medium priority
Needs evaluation

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

1 affected package

qtbase-opensource-src-gles

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qtbase-opensource-src-gles Needs evaluation Needs evaluation Needs evaluation Needs evaluation —
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CVE-2026-101201

Medium priority
Needs evaluation

A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.

1 affected package

qtbase-opensource-src-gles

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qtbase-opensource-src-gles Needs evaluation Needs evaluation Needs evaluation Needs evaluation —
Show less packages