SB20231201102 - openEuler 20.03 LTS SP3 update for qt

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2023-37369)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing XML content in QXmlStreamReader. A remote attacker can pass specially crafted XML input to the application, trigger memory corruption and perform a denial of service (DoS) attack.

2) Infinite loop (CVE-ID: CVE-2023-38197)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when handling recursive expansions. A remote attacker can consume all available system resources and cause denial of service conditions.

3) Improper Handling of Length Parameter Inconsistency (CVE-ID: CVE-2023-43114)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability occurs when a corrupted font is loaded via QFontDatabase::addApplicationFont{FromData]. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1880