UBUNTU-CVE-2018-20822

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Source
https://ubuntu.com/security/CVE-2018-20822
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20822.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-20822
Upstream
Published
2019-04-23T14:29:00Z
Modified
2025-09-08T16:45:07Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

LibSass 3.5.4 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp).

References

Affected packages

Ubuntu:Pro:16.04:LTS / libsass

Package

Name
libsass
Purl
pkg:deb/ubuntu/libsass@3.3.4-1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.2.5-1
3.2.5-2
3.3.2-1
3.3.4-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsass-dev",
            "binary_version": "3.3.4-1"
        },
        {
            "binary_name": "libsass0",
            "binary_version": "3.3.4-1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / libsass

Package

Name
libsass
Purl
pkg:deb/ubuntu/libsass@3.4.8-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.4.3-1
3.4.6-1
3.4.8-1
3.4.8-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsass-dev",
            "binary_version": "3.4.8-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsass0",
            "binary_version": "3.4.8-1ubuntu0.1~esm1"
        }
    ]
}