CVE-2021-38593

    Dashboard / Vulnerabilities / CVE-2021-38593

    CVE-2021-38593

    Published: 12 Aug 2021Last Modified: 8 Jul 2026

    Summary:

    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).

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HY5YCSDCTLHVMP3OXOM6HNTWHV6DBHDX/, https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-903.yaml, https://security.gentoo.org/glsa/202402-03, 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://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566, https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862, https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd, https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -6e27fd5679a4c373eaf8056909a9f3b7ae2ccb8a

    Affected versions

    v5.15.5-lts-lgpl
    v5.15.4-lts-lgpl
    v5.15.3-lts-lgpl
    v5.15.0-beta4
    v5.15.0-beta3
    v5.15.0-beta2
    v5.15.0-beta1
    v5.15.0-alpha1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-38593 | CVE-DB