CVE-2019-18197
Summary
| CVE | CVE-2019-18197 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2019-10-18 21:15:10 UTC |
| Updated | 2026-05-28 19:16:33 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.045340000 probability, percentile 0.893390000 (date 2026-06-01)
Problem Types: CWE-416 | CWE-908 | n/a | CWE-416 CWE-416 Use After Free | CWE-908 CWE-908 Use of Uninitialized Resource
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | ADP | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
HighAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:H/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 19.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 19.10 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Operating System | Linux | Linux Kernel | - | All | All | All |
| Application | Xmlsoft | Libxslt | 1.1.33 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| [SECURITY] [DLA 1973-1] libxslt security update | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | Third Party Advisory |
| 15746 - oss-fuzz - OSS-Fuzz: Fuzzing the planet - Monorail | af854a3a-2127-422b-91ae-364da2661108 | bugs.chromium.org | Issue Tracking, Third Party Advisory |
| [security-announce] openSUSE-SU-2020:0210-1: important: Security update | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| USN-4164-1: Libxslt vulnerabilities | Ubuntu security notices | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Third Party Advisory |
| CVE-2019-18197 Libxslt Vulnerability in NetApp Products | NetApp Product Security | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | Third Party Advisory |
| 15914 - oss-fuzz - OSS-Fuzz: Fuzzing the planet - Monorail | af854a3a-2127-422b-91ae-364da2661108 | bugs.chromium.org | Issue Tracking, Third Party Advisory |
| Fix dangling pointer in xsltCopyText (22324737) · Commits · GNOME / libxslt · GitLab | af854a3a-2127-422b-91ae-364da2661108 | gitlab.gnome.org | Patch, Third Party Advisory |
| Oracle Critical Patch Update Advisory - April 2020 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | |
| April 2020 Java Platform Standard Edition Vulnerabilities in NetApp Products | NetApp Product Security | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | |
| oss-security - Nokogiri security update v1.10.5 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List, Third Party Advisory |
| [security-announce] openSUSE-SU-2020:0731-1: moderate: Security update f | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| [security-announce] openSUSE-SU-2020:0233-1: important: Security update | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| 15768 - oss-fuzz - OSS-Fuzz: Fuzzing the planet - Monorail | af854a3a-2127-422b-91ae-364da2661108 | bugs.chromium.org | Issue Tracking, Third Party Advisory |
| [security-announce] openSUSE-SU-2020:0189-1: important: Security update | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 20283 Oracle Database 19c Critical OJVM Patch Update - April 2020
- 20291 Oracle Database 18c Critical OJVM Patch Update - April 2020
- 296078 Oracle Solaris 11.4 Support Repository Update (SRU) 16.4.0 Missing (CPUOCT2019)
- 372444 Tableau Server and Desktop Multiple Vulnerabilities (Important-ADV-2020-009)
- 373382 Azul Zing Multiple Vulnerabilities(java_apr2020_advisory)
- 375812 Azul Java Multiple Vulnerabilities Security Update April 2020
- 377495 Alibaba Cloud Linux Security Update for libxslt (ALINUX2-SA-2020:0160)
- 377554 Alibaba Cloud Linux Security Update for libxslt (ALINUX3-SA-2022:0062)
- 377616 F5 BIG-IP Open Java Development Toolkit (OpenJDK) Vulnerability cve-2019-18197 (K10812540)
- 500353 Alpine Linux Security Update for libxslt
- 504117 Alpine Linux Security Update for libxslt
- 770068 Red Hat OpenShift Container Platform 4.6 Security Update (RHSA-2021:0436)
- 940030 AlmaLinux Security Update for libxslt (ALSA-2020:4464)