#VU25011 Resource exhaustion in librsvg - CVE-2019-20446

Vulnerability identifier: #VU25011

Vulnerability risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-20446

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

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

Vendor: Gnome Development Team

Description

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

The vulnerability exists due to incorrect processing of nested patterns within SVG files in xml.rs in GNOME librsvg. A remote attacker can create a specially crafted SVG file, pass if to the affected application, trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

librsvg: 2.44.0 - 2.47.1

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External links
https://gitlab.gnome.org/GNOME/librsvg/issues/515

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.