USN-5078-2

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Source
https://ubuntu.com/security/notices/USN-5078-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5078-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5078-2
Upstream
Related
Published
2021-09-15T15:26:33.471309Z
Modified
2025-10-13T04:35:37Z
Summary
squashfs-tools vulnerabilities
Details

USN-5078-1 fixed several vulnerabilities in Squashfs-Tools. This update provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Etienne Stalmans discovered that Squashfs-Tools mishandled certain malformed SQUASHFS files. An attacker could use this vulnerability to write arbitrary files to the filesystem. (CVE-2021-40153)

Richard Weinberger discovered that Squashfs-Tools mishandled certain malformed SQUASHFS files. An attacker could use this vulnerability to write arbitrary files to the filesystem. (CVE-2021-41072)

References

Affected packages

Ubuntu:Pro:16.04:LTS / squashfs-tools

Package

Name
squashfs-tools
Purl
pkg:deb/ubuntu/squashfs-tools@1:4.3-3ubuntu2.16.04.3+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.3-3ubuntu2.16.04.3+esm1

Affected versions

1:4.*

1:4.2+20130409-2.1
1:4.3-3
1:4.3-3ubuntu1
1:4.3-3ubuntu2
1:4.3-3ubuntu2.16.04.1
1:4.3-3ubuntu2.16.04.2
1:4.3-3ubuntu2.16.04.3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "squashfs-tools",
            "binary_version": "1:4.3-3ubuntu2.16.04.3+esm1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2021-40153",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2021-41072",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}