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CVE-2021-38593

Date: August 11, 2021

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).

Language: C++

Severity Score

7.5

Related Resources (16)

Url: https://access.redhat.com/security/cve/CVE-2021-38593

Url: https://security.gentoo.org/glsa/202402-03

Url: https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HY5YCSDCTLHVMP3OXOM6HNTWHV6DBHDX/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/

Url: https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-38593

Url: https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-903.yaml

Url: https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HY5YCSDCTLHVMP3OXOM6HNTWHV6DBHDX/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-38593

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566

Url: https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holders

Url: https://wiki.qt.io/Qt_5.15_Release#Known_Issues

Url: https://www.mend.io/vulnerability-database/CVE-2021-38593

Severity Score

7.5

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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