Vulnerability identifier: #VU24487

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-20388

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Libxml2
Universal components / Libraries / Libraries used by multiple products

Vendor: Gnome Development Team

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in xmlSchemaPreRun in xmlschemas.c. A remote attacker can trigger a xmlSchemaValidateStream memory leak and perform denial of service attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Libxml2: 2.9.10

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CPE

• cpe:2.3:a:gnome:libxml2:2.9.10:*:*:*:*:*:*:*

External links
http://gitlab.gnome.org/GNOME/libxml2/merge_requests/68

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?