UBUNTU-CVE-2019-18197

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Source
https://ubuntu.com/security/CVE-2019-18197
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18197.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2019-18197
Upstream
Downstream
Related
Published
2019-10-18T21:15:00Z
Modified
2025-07-16T07:53:16.950033Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt@1.1.28-2ubuntu0.2+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.28-2ubuntu0.2+esm1

Affected versions

1.*

1.1.28-2
1.1.28-2build1
1.1.28-2ubuntu0.1
1.1.28-2ubuntu0.2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libxslt1-dbg",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "libxslt1-dev",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "libxslt1-dev-dbgsym",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "libxslt1.1",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "libxslt1.1-dbgsym",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "python-libxslt1",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "python-libxslt1-dbg",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "python-libxslt1-dbgsym",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "xsltproc",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        },
        {
            "binary_name": "xsltproc-dbgsym",
            "binary_version": "1.1.28-2ubuntu0.2+esm1"
        }
    ]
}

Ubuntu:16.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt@1.1.28-2.1ubuntu0.3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.28-2.1ubuntu0.3

Affected versions

1.*

1.1.28-2build2
1.1.28-2.1
1.1.28-2.1ubuntu0.1
1.1.28-2.1ubuntu0.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libxslt1-dbg",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        },
        {
            "binary_name": "libxslt1-dev",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        },
        {
            "binary_name": "libxslt1-dev-dbgsym",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        },
        {
            "binary_name": "libxslt1.1",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        },
        {
            "binary_name": "libxslt1.1-dbgsym",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        },
        {
            "binary_name": "python-libxslt1",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        },
        {
            "binary_name": "python-libxslt1-dbg",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        },
        {
            "binary_name": "xsltproc",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        },
        {
            "binary_name": "xsltproc-dbgsym",
            "binary_version": "1.1.28-2.1ubuntu0.3"
        }
    ]
}

Ubuntu:18.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt@1.1.29-5ubuntu0.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.29-5ubuntu0.2

Affected versions

1.*

1.1.29-2.1ubuntu1
1.1.29-4
1.1.29-5
1.1.29-5ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libxslt1-dbg",
            "binary_version": "1.1.29-5ubuntu0.2"
        },
        {
            "binary_name": "libxslt1-dev",
            "binary_version": "1.1.29-5ubuntu0.2"
        },
        {
            "binary_name": "libxslt1.1",
            "binary_version": "1.1.29-5ubuntu0.2"
        },
        {
            "binary_name": "python-libxslt1",
            "binary_version": "1.1.29-5ubuntu0.2"
        },
        {
            "binary_name": "python-libxslt1-dbg",
            "binary_version": "1.1.29-5ubuntu0.2"
        },
        {
            "binary_name": "xsltproc",
            "binary_version": "1.1.29-5ubuntu0.2"
        }
    ]
}