CVE-2021-38593

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Source
https://cve.org/CVERecord?id=CVE-2021-38593
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38593.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-38593
Downstream
Related
Published
2021-08-12T02:15:06.580Z
Modified
2026-07-08T22:14:01.369747Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRasterPaintEngine::fill and QPaintEngineEx::stroke).

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "introduced": "35"
                },
                {
                    "last_affected": "35"
                },
                {
                    "introduced": "36"
                },
                {
                    "last_affected": "36"
                }
            ],
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / github.com/qt/qt5

Affected ranges

Type
GIT
Repo
https://github.com/qt/qt5
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
6e27fd5679a4c373eaf8056909a9f3b7ae2ccb8a
Introduced
78410d7e8b7aafdcbb4feea3a943038c7e0a0b5f
Last affected
3bb48b163f38eaaa4769779e506961b9038ec5d5
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "5.0.0"
        },
        {
            "fixed": "5.15.6"
        },
        {
            "introduced": "6.0.0"
        },
        {
            "last_affected": "6.1.2"
        }
    ]
}

Affected versions

v5.*
v5.0.0-beta1
v5.15.0-alpha1
v5.15.0-beta1
v5.15.0-beta2
v5.15.0-beta3
v5.15.0-beta4
v5.15.3-lts-lgpl
v5.15.4-lts-lgpl
v5.15.5-lts-lgpl
v6.*
v6.0.0-alpha1
v6.0.0-beta1
v6.0.0-beta2
v6.0.0-beta3
v6.0.0-beta4
v6.0.0-beta5
v6.1.0-alpha1
v6.1.0-beta1
v6.1.0-beta2
v6.1.0-beta3
v6.1.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38593.json"

Git / github.com/qt/qtbase

Affected ranges

Type
GIT
Repo
https://github.com/qt/qtbase
Events
Introduced
3bf50a7db9a1add66fb66b7a1f9c1d3b038c5e7f
Fixed
a5984e059385e93ab06eb95cbe12bea5215f7b9d
Introduced
fc9cda5f08ac848e88f63dd4a07c08b2fbc6bf17
Last affected
4dcedb8ca4ae0c9c533997074098297abbfcf1c3
Fixed
1ca02cf2879a5e1511a2f2109f0925cf4c892862
Fixed
202143ba41f6ac574f1858214ed8bf4a38b73ccd
Fixed
6b400e3147dcfd8cc3a393ace1bd118c93762e0c
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "5.0.0"
        },
        {
            "fixed": "5.15.6"
        },
        {
            "introduced": "6.0.0"
        },
        {
            "last_affected": "6.1.2"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38593.json"
vanir_signatures 
[
    {
        "id": "CVE-2021-38593-10bb0601",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "271928562808682822601995538577538974780",
                "72176071764742851516072444134726106676",
                "163469072021631174261305783525076176707",
                "213547461056257825045409429829012753748"
            ]
        },
        "target": {
            "file": "src/gui/painting/qpaintengineex.cpp"
        }
    },
    {
        "id": "CVE-2021-38593-22346b8a",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "271928562808682822601995538577538974780",
                "72176071764742851516072444134726106676",
                "163469072021631174261305783525076176707",
                "213547461056257825045409429829012753748"
            ]
        },
        "target": {
            "file": "src/gui/painting/qpaintengineex.cpp"
        }
    },
    {
        "id": "CVE-2021-38593-2f99537b",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "271928562808682822601995538577538974780",
                "72176071764742851516072444134726106676",
                "163469072021631174261305783525076176707",
                "213547461056257825045409429829012753748"
            ]
        },
        "target": {
            "file": "src/gui/painting/qpaintengineex.cpp"
        }
    },
    {
        "id": "CVE-2021-38593-527772bf",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862",
        "deprecated": false,
        "digest": {
            "function_hash": "66084939280504979425354887214909155133",
            "length": 6445.0
        },
        "target": {
            "function": "QPaintEngineEx::stroke",
            "file": "src/gui/painting/qpaintengineex.cpp"
        }
    },
    {
        "id": "CVE-2021-38593-bbbd8d65",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd",
        "deprecated": false,
        "digest": {
            "function_hash": "66084939280504979425354887214909155133",
            "length": 6445.0
        },
        "target": {
            "function": "QPaintEngineEx::stroke",
            "file": "src/gui/painting/qpaintengineex.cpp"
        }
    },
    {
        "id": "CVE-2021-38593-dabe698e",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c",
        "deprecated": false,
        "digest": {
            "function_hash": "66084939280504979425354887214909155133",
            "length": 6445.0
        },
        "target": {
            "function": "QPaintEngineEx::stroke",
            "file": "src/gui/painting/qpaintengineex.cpp"
        }
    }
]
vanir_signatures_modified 
"2026-07-08T22:14:01Z"