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UBUNTU-CVE-2020-24994

Type: advisorySource: OSV1 source record

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

Announced Group revision 1
Original source ↗

UBUNTU-CVE-2020-24994

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:UBUNTU-CVE-2020-24994

libass

Source reference: /affected/0/package/name

Affected versions
0.10.1-1ubuntu1

Source reference: /affected/0/versions

0.10.1-3

Source reference: /affected/0/versions

0.10.1-3ubuntu1

Source reference: /affected/0/versions

0.10.1-3ubuntu1+esm1

Source reference: /affected/0/versions

Fixed versions
0.10.1-3ubuntu1+esm2

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

libass

Source reference: /affected/1/package/name

Affected versions
0.12.3-2

Source reference: /affected/1/versions

0.13.0-1

Source reference: /affected/1/versions

0.13.1-1

Source reference: /affected/1/versions

0.13.1-1ubuntu0.1~esm1

Source reference: /affected/1/versions

Fixed versions
0.13.1-1ubuntu0.1~esm2

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

libass

Source reference: /affected/2/package/name

Affected versions
1:0.13.7-2

Source reference: /affected/2/versions

1:0.14.0-1

Source reference: /affected/2/versions

Fixed versions
1:0.14.0-1ubuntu0.1~esm1

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

libass

Source reference: /affected/3/package/name

Affected versions
1:0.14.0-2

Source reference: /affected/3/versions

Fixed versions
1:0.14.0-2ubuntu0.1~esm1

Source reference: /affected/3/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0.10.1-3ubuntu1+esm2"
          }
        ]
      }
    ],
    "package": {
      "name": "libass",
      "purl": "pkg:deb/ubuntu/libass?arch=source&distro=esm-infra-legacy%2Ftrusty",
      "ecosystem": "Ubuntu:Pro:14.04:LTS"
    },
    "versions": [
      "0.10.1-1ubuntu1",
      "0.10.1-3",
      "0.10.1-3ubuntu1",
      "0.10.1-3ubuntu1+esm1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24994.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "libass4",
          "binary_version": "0.10.1-3ubuntu1+esm2"
        }
      ],
      "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0.13.1-1ubuntu0.1~esm2"
          }
        ]
      }
    ],
    "package": {
      "name": "libass",
      "purl": "pkg:deb/ubuntu/libass?arch=source&distro=esm-apps%2Fxenial",
      "ecosystem": "Ubuntu:Pro:16.04:LTS"
    },
    "versions": [
      "0.12.3-2",
      "0.13.0-1",
      "0.13.1-1",
      "0.13.1-1ubuntu0.1~esm1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24994.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "libass5",
          "binary_version": "0.13.1-1ubuntu0.1~esm2"
        }
      ],
      "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1:0.14.0-1ubuntu0.1~esm1"
          }
        ]
      }
    ],
    "package": {
      "name": "libass",
      "purl": "pkg:deb/ubuntu/libass?arch=source&distro=esm-apps%2Fbionic",
      "ecosystem": "Ubuntu:Pro:18.04:LTS"
    },
    "versions": [
      "1:0.13.7-2",
      "1:0.14.0-1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24994.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "libass9",
          "binary_version": "1:0.14.0-1ubuntu0.1~esm1"
        }
      ],
      "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1:0.14.0-2ubuntu0.1~esm1"
          }
        ]
      }
    ],
    "package": {
      "name": "libass",
      "purl": "pkg:deb/ubuntu/libass?arch=source&distro=esm-apps%2Ffocal",
      "ecosystem": "Ubuntu:Pro:20.04:LTS"
    },
    "versions": [
      "1:0.14.0-2"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24994.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "libass9",
          "binary_version": "1:0.14.0-2ubuntu0.1~esm1"
        }
      ],
      "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#14643 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. UBUNTU-CVE-2020-24994 · Revision 1Source updated