Skip to content
Fencer Intel
medium 5.3

CVE-2019-13118 json

libxslt Type Confusion vulnerability that affects Nokogiri

published 7y ago modified 3mo ago also EUVD-2022-3566 , GHSA-cf46-6xxh-pc75 , JLSEC-2026-579

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

In numbers.c in libxslt 1.1.33, a type holding grouping characters of an xsl:number instruction was too narrow and an invalid character/length combination could be passed to xsltNumberFormatDecimal, leading to a read of uninitialized stack data.

Patch / fix

  • rubygems nokogiri 1.10.5
  • julia XSLT_jll 1.1.34+0
  • apple icloud 7.13, 10.6
  • apple itunes 12.9.6
  • apple iphone_os 12.4
  • apple macos 10.14.6
  • apple tvos 12.4
  • libxslt Debian 14, Debian 13, Debian 12 1.1.32-2.1

debian advisories DEBIAN-CVE-2019-13118

  • libxslt Ubuntu 16.04 LTS 1.1.28-2.1ubuntu0.3
  • libxslt Ubuntu 18.04 LTS 1.1.29-5ubuntu0.2
  • libxslt Ubuntu Pro 14.04 LTS 1.1.28-2ubuntu0.2+esm1

ubuntu advisories UBUNTU-CVE-2019-13118

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libxslt SLE Module for Basesystem 15 SP1 1.1.32-3.8.24
  • libxslt SLES for SAP 12 SP4, SLES 12 SP4, SLED 12 SP4 +1 more 1.1.28-17.6.1

suse advisories SUSE-SU-2020:1409-1SUSE-SU-2019:1867-1

  • libxslt openSUSE Tumbleweed 1.1.34-3.2
  • libxslt openSUSE Leap 15.1 1.1.32-lp151.3.6.1
  • libxslt-python openSUSE Leap 15.1 1.1.32-lp151.3.6.1

opensuse advisories openSUSE-SU-2024:11017-1openSUSE-SU-2020:0731-1

  • libxslt Alpine 3.10, Alpine 3.9, Alpine 3.8 1.1.33-r3
  • libxslt Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 1.1.34-r0

alpine advisories ALPINE-CVE-2019-13118

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

Is CVE-2019-13118 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2019-13118 updated cvss 5.3

libxslt: read of uninitialized stack data due to too narrow xsl:number instruction and an invalid character

  • Red Hat Enterprise Linux 5 libxslt Red Hat Enterprise Linux 6 libxslt, libxslt-python
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 libxslt, libxslt-python Red Hat Enterprise Linux 8 libxslt
    affected: no fix available “Fix deferred”
  • Red Hat OpenStack Platform 9 (Mitaka) libxslt-python Red Hat OpenStack Platform 10 (Newton) libxslt-python Red Hat OpenStack Platform 13 (Queens) libxslt-python Red Hat OpenStack Platform 14 (Rocky) libxslt-python
    affected: no fix planned “Will not fix”
  • Red Hat Storage 3 libxslt, libxslt-python
    affected: no fix available “Fix deferred”

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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
5mo ago

Exploit prediction

5.15% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
OSV 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
rubygems nokogiri
<1.10.5
1.10.5
julia XSLT_jll
<1.1.34+0
1.1.34+0

Classification

Weakness
  • CWE-843 Access of Resource Using Incompatible Type

References

Sources

Fencer Intel 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.