UBUNTU-CVE-2018-19827

In LibSass 3.5.5, a use-after-free vulnerability exists in the SharedPtr class in SharedPtr.cpp (or SharedPtr.hpp) that may cause a denial of service (application crash) or possibly have unspecified other impact.

References

Affected packages

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

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "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"
        }
    ]
}

Ubuntu:20.04:LTS / libsass

Package

Name: libsass
Purl: pkg:deb/ubuntu/libsass@3.5.5-4?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.5.5-4

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libsass-dev",
            "binary_version": "3.5.5-4"
        },
        {
            "binary_name": "libsass1",
            "binary_version": "3.5.5-4"
        },
        {
            "binary_name": "libsass1-dbgsym",
            "binary_version": "3.5.5-4"
        }
    ]
}