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Fencer Vulns
medium 6.5

CVE-2019-20446 json

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 fo…

published 2020-02-02 6 y ago modified 2026-07-18 3 mo ago also EUVD-2019-10992 , JLSEC-2026-511

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • julia Librsvg_jll 2.52.4+0
  • gnome librsvg 2.40.21, 2.42.8, 2.44.16
  • librsvg Debian 14, Debian 13, Debian 12 2.46.4-1

debian advisories DEBIAN-CVE-2019-20446

  • librsvg2 RHEL 8 2.42.7-4.el8
  • librsvg2-tools RHEL 8 2.42.7-4.el8

red hat advisories RHSA-2020:4709

  • librsvg SLE Module for Package Hub 15 SP2, SLE Module for Package Hub 15 SP1, SLE Module for Desktop Applications 15 SP1 +1 more 2.42.8-3.3.1
  • librsvg SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +3 more 2.40.21-5.9.1

suse advisories SUSE-SU-2020:0629-2SUSE-SU-2020:0629-1SUSE-SU-2020:0604-1

  • librsvg openSUSE Leap 15.1 2.42.8-lp151.3.3.1

opensuse advisories openSUSE-SU-2020:0343-1

  • librsvg2 AlmaLinux 8 2.42.7-4.el8
  • librsvg2-tools AlmaLinux 8 2.42.7-4.el8

almalinux advisories ALSA-2020:4709

  • librsvg2 Rocky Linux 8 2.42.7-4.el8

rocky linux advisories RLSA-2020:4709

  • librsvg Alpine 3.10, Alpine 3.9, Alpine 3.8 2.40.21-r0
  • librsvg Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 2.46.2-r0

alpine advisories ALPINE-CVE-2019-20446

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-20446 updated cvss 6.5

librsvg: Resource exhaustion via crafted SVG file with nested patterns

  • Red Hat Enterprise Linux 5 firefox, librsvg2 Red Hat Enterprise Linux 6 firefox, librsvg2, thunderbird, chromium-browser Red Hat Enterprise Linux 7 firefox, librsvg2, thunderbird, librsvg2-tools Red Hat Enterprise Linux 8 firefox, thunderbird
    affected: workaround, no fix planned “This flaw is triggered when untrusted XML files are parsed with applications compiled with librsvg2 library. Applications which do not parse untrusted XML files are not affected by this flaw.”
  • Red Hat Enterprise Linux AppStream (v. 8) librsvg2 2.42.7-4.el8, librsvg2-tools 2.42.7-4.el8
    fixed: vendor fix “This flaw is triggered when untrusted XML files are parsed with applications compiled with librsvg2 library. Applications which do not parse untrusted XML files are not affected by this flaw.” RHSA-2020:4709

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.13% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
julia Librsvg_jll
<2.52.4+0
2.52.4+0

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.