USN-4797-1

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Source

https://ubuntu.com/security/notices/USN-4797-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4797-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-4797-1

Related

Published

2022-05-04T10:38:06.348811Z

Modified

2022-05-04T10:38:06.348811Z

Summary

libass vulnerabilities

Details

It was discovered that LibASS incorrectly handled certain ASS files. A remote attacker could possibly use this issue to cause a denial of service. One of the issues, CVE-2016-7970, only affected Ubuntu 16.04 ESM. (CVE-2016-7969, CVE-2016-7970, CVE-2016-7972)

It was discovered that LibASS incorrectly handled parsing operations for specific nested character strings. An attacker could possibly use this issue to cause a denial of service. This issue was only fixed in Ubuntu 16.04 LTS. (CVE-2020-24994)

References

Affected packages

Ubuntu:Pro:14.04:LTS / libass

Package

Name: libass
Purl: pkg:deb/ubuntu/libass@0.10.1-3ubuntu1+esm1?arch=src?distro=trusty/esm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.10.1-3ubuntu1+esm1

Affected versions

0.*

0.10.1-1ubuntu1

0.10.1-3

0.10.1-3ubuntu1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "libass4": "0.10.1-3ubuntu1+esm1",
            "libass-dev": "0.10.1-3ubuntu1+esm1"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / libass

Package

Name: libass
Purl: pkg:deb/ubuntu/libass@0.13.1-1ubuntu0.1~esm2?arch=src?distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.13.1-1ubuntu0.1~esm2

Affected versions

0.*

0.12.3-2

0.13.0-1

0.13.1-1

0.13.1-1ubuntu0.1~esm1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "libass-dev": "0.13.1-1ubuntu0.1~esm2",
            "libass5-dbgsym": "0.13.1-1ubuntu0.1~esm2",
            "libass5": "0.13.1-1ubuntu0.1~esm2"
        }
    ]
}