CVE-2026-9499

A flaw was found in Qt, a popular software development framework. This vulnerability, an out-of-bounds read, occurs in the QTextCodec::codecForName() function when it processes specially crafted input that is not properly terminated. An attacker could exploit this to cause the application to select an incorrect text encoding, or in the worst case, trigger a crash, leading to a denial of service. This flaw does not result in the disclosure of sensitive information.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.