CVE-2021-3481 (GCVE-0-2021-3481)
Vulnerability from cvelistv5 – Published: 2022-08-22 00:00 – Updated: 2024-08-03 16:53
VLAI
EPSS
VEX
Summary
A flaw was found in Qt. An out-of-bounds read vulnerability was found in QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase. While rendering and displaying a crafted Scalable Vector Graphics (SVG) file this flaw may lead to an unauthorized memory access. The highest threat from this vulnerability is to data confidentiality and the application availability.
Severity
7.1 (High)
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T16:53:17.684Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://bugreports.qt.io/browse/QTBUG-91507"
},
{
"tags": [
"x_transferred"
],
"url": "https://codereview.qt-project.org/c/qt/qtsvg/+/337646"
},
{
"tags": [
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1931444"
},
{
"tags": [
"x_transferred"
],
"url": "https://access.redhat.com/security/cve/CVE-2021-3481"
},
{
"name": "[debian-lts-announce] 20230822 [SECURITY] [DLA 3539-1] qt4-x11 security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "qt",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Fixed in qt 5.12.11, qt 5.15.4, qt 6.0.3, qt 6.1.0RC."
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Qt. An out-of-bounds read vulnerability was found in QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase. While rendering and displaying a crafted Scalable Vector Graphics (SVG) file this flaw may lead to an unauthorized memory access. The highest threat from this vulnerability is to data confidentiality and the application availability."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125 - Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-08-23T00:06:13.050Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"url": "https://bugreports.qt.io/browse/QTBUG-91507"
},
{
"url": "https://codereview.qt-project.org/c/qt/qtsvg/+/337646"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1931444"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2021-3481"
},
{
"name": "[debian-lts-announce] 20230822 [SECURITY] [DLA 3539-1] qt4-x11 security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2021-3481",
"datePublished": "2022-08-22T00:00:00.000Z",
"dateReserved": "2021-04-01T00:00:00.000Z",
"dateUpdated": "2024-08-03T16:53:17.684Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-3481",
"date": "2026-09-17",
"epss": "0.00543",
"percentile": "0.44314"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:qt:qt:5.15.1:*:*:*:*:*:*:*",
"matchCriteriaId": "EA7FCB6B-872F-4900-A2CF-192AFECC4DFC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qt:qt:6.0.0:-:*:*:*:*:*:*",
"matchCriteriaId": "C0A66DBD-439D-45EA-BC80-502314D5B0AC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qt:qt:6.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "AC14C9CB-1965-4659-8254-17EAB448616D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qt:qt:6.2.0:-:*:*:*:*:*:*",
"matchCriteriaId": "2B6E9814-F9BA-4A0C-8420-DAAB4A810567",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Qt. An out-of-bounds read vulnerability was found in QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase. While rendering and displaying a crafted Scalable Vector Graphics (SVG) file this flaw may lead to an unauthorized memory access. The highest threat from this vulnerability is to data confidentiality and the application availability."
},
{
"lang": "es",
"value": "Se ha encontrado un fallo en Qt. Se encontr\u00f3 una vulnerabilidad de lectura fuera de l\u00edmites en QRadialFetchSimd en el archivo qt/qtbase/src/gui/painting/qdrawhelper_p.h en Qt/Qtbase. Este fallo puede conllevar a un acceso no autorizado a la memoria al renderizar y mostrar un archivo Scalable Vector Graphics (SVG) dise\u00f1ado. La mayor amenaza de esta vulnerabilidad es la confidencialidad de los datos y la disponibilidad de la aplicaci\u00f3n."
}
],
"id": "CVE-2021-3481",
"lastModified": "2024-11-21T06:21:38.847",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-08-22T15:15:13.363",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2021-3481"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://bugreports.qt.io/browse/QTBUG-91507"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1931444"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://codereview.qt-project.org/c/qt/qtsvg/+/337646"
},
{
"source": "secalert@redhat.com",
"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2021-3481"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://bugreports.qt.io/browse/QTBUG-91507"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1931444"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://codereview.qt-project.org/c/qt/qtsvg/+/337646"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:qt:qt:5.15.1:*:*:*:*:*:*:*",
"matchCriteriaId": "EA7FCB6B-872F-4900-A2CF-192AFECC4DFC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qt:qt:6.0.0:-:*:*:*:*:*:*",
"matchCriteriaId": "C0A66DBD-439D-45EA-BC80-502314D5B0AC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qt:qt:6.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "AC14C9CB-1965-4659-8254-17EAB448616D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qt:qt:6.2.0:-:*:*:*:*:*:*",
"matchCriteriaId": "2B6E9814-F9BA-4A0C-8420-DAAB4A810567",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Qt. An out-of-bounds read vulnerability was found in QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase. While rendering and displaying a crafted Scalable Vector Graphics (SVG) file this flaw may lead to an unauthorized memory access. The highest threat from this vulnerability is to data confidentiality and the application availability."
},
{
"lang": "es",
"value": "Se ha encontrado un fallo en Qt. Se encontr\u00f3 una vulnerabilidad de lectura fuera de l\u00edmites en QRadialFetchSimd en el archivo qt/qtbase/src/gui/painting/qdrawhelper_p.h en Qt/Qtbase. Este fallo puede conllevar a un acceso no autorizado a la memoria al renderizar y mostrar un archivo Scalable Vector Graphics (SVG) dise\u00f1ado. La mayor amenaza de esta vulnerabilidad es la confidencialidad de los datos y la disponibilidad de la aplicaci\u00f3n."
}
],
"id": "CVE-2021-3481",
"lastModified": "2024-11-21T06:21:38.847",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-08-22T15:15:13.363",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2021-3481"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://bugreports.qt.io/browse/QTBUG-91507"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1931444"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://codereview.qt-project.org/c/qt/qtsvg/+/337646"
},
{
"source": "secalert@redhat.com",
"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2021-3481"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://bugreports.qt.io/browse/QTBUG-91507"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1931444"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://codereview.qt-project.org/c/qt/qtsvg/+/337646"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-26T18:39:01+00:00",
"cve": "CVE-2021-3481",
"id": "CVE-2021-3481",
"initial_release_date": "2021-02-22T00:00:00+00:00",
"product_status:fixed": "1262",
"product_status:known_affected": "44",
"product_status:known_not_affected": "11",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "qt: Out of bounds read in function QRadialFetchSimd from crafted svg file",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3481.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-04T00:48:40Z",
"cve": "CVE-2021-3481",
"id": "CVE-2021-3481",
"initial_release_date": "2023-02-15T03:49:24Z",
"product_status:known_affected": "529",
"product_status:known_not_affected": "102",
"product_status:recommended": "332",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-3481",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-3481.json",
"version": "36"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…