UBUNTU-CVE-2018-19797

In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::SelectorList::populateextends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.

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

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

Fixed

3.4.8-1ubuntu0.1~esm1

Affected versions

3.*

3.4.3-1

3.4.6-1

3.4.8-1

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"
        },
        {
            "binary_name": "libsass0-dbg",
            "binary_version": "3.4.8-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}