SB2025102272 - Fedora 42 update for qt5-qtbase
Published: October 22, 2025
Security Bulletin ID
SB2025102272
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Reachable assertion (CVE-ID: CVE-2025-5455)
CWE-ID: CWE-617 - Reachable Assertion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion within the qDecodeDataUrl() function in QtCore. A remote attacker can pass a specially crafted data, such as URL with a "charset" parameter but without a value, and crash the application.
Remediation
Install update from vendor's website.