UBUNTU-CVE-2019-19203

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Source
https://ubuntu.com/security/CVE-2019-19203
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-19203.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-19203
Upstream
Downstream
Related
Published
2019-11-21T21:15:00Z
Modified
2025-07-18T16:45:28Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Oniguruma 6.x before 6.9.4rc2. In the function gb18030mbcenclen in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libonig

Package

Name
libonig
Purl
pkg:deb/ubuntu/libonig@5.9.1-1ubuntu1.1+esm3?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.9.1-1ubuntu1.1+esm3

Affected versions

5.*

5.9.1-1
5.9.1-1ubuntu1
5.9.1-1ubuntu1.1
5.9.1-1ubuntu1.1+esm1
5.9.1-1ubuntu1.1+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libonig-dev",
            "binary_version": "5.9.1-1ubuntu1.1+esm3"
        },
        {
            "binary_name": "libonig-dev-dbgsym",
            "binary_version": "5.9.1-1ubuntu1.1+esm3"
        },
        {
            "binary_name": "libonig2",
            "binary_version": "5.9.1-1ubuntu1.1+esm3"
        },
        {
            "binary_name": "libonig2-dbg",
            "binary_version": "5.9.1-1ubuntu1.1+esm3"
        },
        {
            "binary_name": "libonig2-dbgsym",
            "binary_version": "5.9.1-1ubuntu1.1+esm3"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / libonig

Package

Name
libonig
Purl
pkg:deb/ubuntu/libonig@5.9.6-1ubuntu0.1+esm3?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.9.6-1ubuntu0.1+esm3

Affected versions

5.*

5.9.6-1
5.9.6-1ubuntu0.1
5.9.6-1ubuntu0.1+esm1
5.9.6-1ubuntu0.1+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libonig-dev",
            "binary_version": "5.9.6-1ubuntu0.1+esm3"
        },
        {
            "binary_name": "libonig-dev-dbgsym",
            "binary_version": "5.9.6-1ubuntu0.1+esm3"
        },
        {
            "binary_name": "libonig2",
            "binary_version": "5.9.6-1ubuntu0.1+esm3"
        },
        {
            "binary_name": "libonig2-dbg",
            "binary_version": "5.9.6-1ubuntu0.1+esm3"
        },
        {
            "binary_name": "libonig2-dbgsym",
            "binary_version": "5.9.6-1ubuntu0.1+esm3"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / libonig

Package

Name
libonig
Purl
pkg:deb/ubuntu/libonig@6.7.0-1ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.7.0-1ubuntu0.1~esm2

Affected versions

6.*

6.5.0-1
6.6.1-1
6.7.0-1
6.7.0-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libonig-dev",
            "binary_version": "6.7.0-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libonig4",
            "binary_version": "6.7.0-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libonig4-dbgsym",
            "binary_version": "6.7.0-1ubuntu0.1~esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}