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Vulnerability · Published Aug 12, 2021 · Assigned by mitre

CVE-2021-38593

High 7.5

In plain English

A high-severity security flaw in the qt5-qtbase package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 87% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)3.0%top 12.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8qt5-qtbase5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-common5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-devel5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-examples5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-gui5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-mysql5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-odbc5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-postgresql5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-private-devel5.15.2-4.el8ALSA-2022:1796
AlmaLinux:8qt5-qtbase-static5.15.2-4.el8ALSA-2022:1796
Rocky Linux:8qt5-qtbase0:5.15.2-4.el8RLSA-2022:1796
Ubuntu:22.04:LTSqtbase-opensource-src-glesno fix listedUBUNTU-CVE-2021-38593
Ubuntu:24.04:LTSqtbase-opensource-src-glesno fix listedUBUNTU-CVE-2021-38593
Ubuntu:25.10qtbase-opensource-src-glesno fix listedUBUNTU-CVE-2021-38593
Ubuntu:26.04:LTSqtbase-opensource-src-glesno fix listedUBUNTU-CVE-2021-38593
Ubuntu:26.10qtbase-opensource-src-glesno fix listedUBUNTU-CVE-2021-38593

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References