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Vulnerability · Published Sep 18, 2023 · Assigned by mitre

CVE-2023-43114

Medium 5.5

In plain English

A medium-severity security flaw in the qt6-base package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 80.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An issue was discovered in Qt before 5.15.16, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3 on Windows. When using the GDI font engine, if a corrupted font is loaded via QFontDatabase::addApplicationFont{FromData], then it can cause the application to crash because of missing length checks.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSqt6-baseno fix listedUBUNTU-CVE-2023-43114
Ubuntu:24.04:LTSqt6-baseno fix listedUBUNTU-CVE-2023-43114
Ubuntu:25.10qt6-baseno fix listedUBUNTU-CVE-2023-43114
Ubuntu:26.10qt6-baseno fix listedUBUNTU-CVE-2023-43114
Ubuntu:22.04:LTSqtbase-opensource-srcno fix listedUBUNTU-CVE-2023-43114
Ubuntu:24.04:LTSqtbase-opensource-srcno fix listedUBUNTU-CVE-2023-43114
Ubuntu:25.10qtbase-opensource-srcno fix listedUBUNTU-CVE-2023-43114
Ubuntu:26.04:LTSqtbase-opensource-srcno fix listedUBUNTU-CVE-2023-43114
Ubuntu:26.10qtbase-opensource-srcno fix listedUBUNTU-CVE-2023-43114
Ubuntu:22.04:LTSqtbase-opensource-src-glesno fix listedUBUNTU-CVE-2023-43114
Ubuntu:24.04:LTSqtbase-opensource-src-glesno fix listedUBUNTU-CVE-2023-43114
Ubuntu:25.10qtbase-opensource-src-glesno fix listedUBUNTU-CVE-2023-43114
Ubuntu:26.04:LTSqtbase-opensource-src-glesno fix listedUBUNTU-CVE-2023-43114
Ubuntu:26.10qtbase-opensource-src-glesno fix listedUBUNTU-CVE-2023-43114

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References