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CVE-2019-18197

Published: Oct 18, 2019Updated: May 28, 2026 Sources: CVE List NVD GHSA BDUCWE-416
NVD MITRE
7.5CVSSHIGH
EPSS Score
4.4%
Top 9.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-416CWE-908

Affected Products

n/an/a
libxsltxmlsoft
Library
OSS Libraries / generic-library
ubuntu linuxcanonical
On-premOS
Operating Systems / linux-distro
debian linuxdebian
On-premOS
Operating Systems / linux-distro
nokogiriRubyGemsOSS Libraries
xmlsoftoss-projectOSS Librariesaka libxml2, libxslt
canonicalcommercialGBOperating Systemsaka canonical ltd.
debianoss-projectGBOperating Systemsaka debian gnu/linux
rubygemspackage-ecosystemOSS Libraries
and 9 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

3 techniques
Collection
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285
gitlab.gnome.org
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914
bugs.chromium.org
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768
bugs.chromium.org
and 30 more references View all →

Timeline

Published
Oct 18, 2019
Last Updated
May 28, 2026

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