CVE-2021-38593 Information

Description

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).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-903.yaml https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862 https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566 https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holders https://wiki.qt.io/Qt_5.15_Release#Known_Issues https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5