CVE Database›Document archive›CVE-2021-45930

CVE-2021-45930

qt: out-of-bounds write may lead to DoS

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · December 31, 2021

Updated · November 22, 2025

Description

A flaw was found in qtsvg's qsvghandler.cpp module. An attacker who is able to submit a crafted image file to an application that uses qsvghandler could cause an out-of-bounds write and potential denial of service to occur, depending on the application.

Statement

This flaw is out of support scope for versions of qt shipped with Red Hat Enterprise Linux 6 and 7 as it does not affect qt3, which does not have the qsvghandler.

CVSS score applicability

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-787 · Out-of-bounds Write