What’s Vulnerable › Vulnerabilities
CVE-2019-20446
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-02-02 · updated 2026-06-17
- Weakness: CWE-400
Description
In xml.rs in GNOME librsvg before 2.46.2, a crafted SVG file with nested patterns can cause denial of service when passed to the library for processing. The attacker constructs pattern elements so that the number of final rendered objects grows exponentially.
Affected products
- Canonical Ubuntu Linux: 16.04, 18.04
- Debian Linux: 9.0
- Fedoraproject Fedora: 30, 31
- GNOME Librsvg: before 2.40.21; from 2.42.0 before 2.42.8; from 2.44.0 before 2.44.16 — fixed in 2.40.21, 2.42.8, 2.44.16
- Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
- openSUSE Leap: 15.1
How to fix
Upgrade to a fixed version: GNOME Librsvg 2.40.21, 2.42.8, 2.44.16. Check the vendor advisory for mitigations.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00024.html
- https://gitlab.gnome.org/GNOME/librsvg/issues/515
- https://lists.debian.org/debian-lts-announce/2020/07/msg00016.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/
- https://security.netapp.com/advisory/ntap-20221111-0004/
- https://usn.ubuntu.com/4436-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00024.html
- https://gitlab.gnome.org/GNOME/librsvg/issues/515
- https://lists.debian.org/debian-lts-announce/2020/07/msg00016.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/
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