UBUNTU-CVE-2020-24994

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Source
https://ubuntu.com/security/CVE-2020-24994
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24994.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-24994
Upstream
Downstream
Related
Published
2021-03-23T20:15:00Z
Modified
2025-09-08T16:46:18Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Stack overflow in the parsetag function in libass/assparse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libass

Package

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

Affected ranges

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

Affected versions

0.*

0.10.1-1ubuntu1
0.10.1-3
0.10.1-3ubuntu1
0.10.1-3ubuntu1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libass-dev",
            "binary_version": "0.10.1-3ubuntu1+esm1"
        },
        {
            "binary_name": "libass4",
            "binary_version": "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=source&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": [
        {
            "binary_name": "libass-dev",
            "binary_version": "0.13.1-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libass5",
            "binary_version": "0.13.1-1ubuntu0.1~esm2"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / libass

Package

Name
libass
Purl
pkg:deb/ubuntu/libass@1:0.14.0-1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1:0.*

1:0.13.7-2
1:0.14.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libass-dev",
            "binary_version": "1:0.14.0-1"
        },
        {
            "binary_name": "libass9",
            "binary_version": "1:0.14.0-1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / libass

Package

Name
libass
Purl
pkg:deb/ubuntu/libass@1:0.14.0-2?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

1:0.*

1:0.14.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libass-dev",
            "binary_version": "1:0.14.0-2"
        },
        {
            "binary_name": "libass9",
            "binary_version": "1:0.14.0-2"
        }
    ]
}