USN-5133-1

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Source
https://ubuntu.com/security/notices/USN-5133-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5133-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5133-1
Upstream
Related
Published
2021-11-04T20:12:07.089639Z
Modified
2025-10-13T04:35:39Z
Summary
A security issue was fixed in ICU
Details

It was discovered that ICU contains a use after free issue. An attacker could use this issue to cause a denial of service with crafted input.

References

Affected packages

Ubuntu:Pro:14.04:LTS / icu

Package

Name
icu
Purl
pkg:deb/ubuntu/icu@52.1-3ubuntu0.8+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
52.1-3ubuntu0.8+esm2

Affected versions

4.*

4.8.1.1-12ubuntu2
4.8.1.1-13+nmu1
4.8.1.1-13+nmu1ubuntu1

52.*

52.1-3
52.1-3ubuntu0.2
52.1-3ubuntu0.3
52.1-3ubuntu0.4
52.1-3ubuntu0.5
52.1-3ubuntu0.6
52.1-3ubuntu0.7
52.1-3ubuntu0.8
52.1-3ubuntu0.8+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "52.1-3ubuntu0.8+esm2",
            "binary_name": "icu-devtools"
        },
        {
            "binary_version": "52.1-3ubuntu0.8+esm2",
            "binary_name": "libicu-dev"
        },
        {
            "binary_version": "52.1-3ubuntu0.8+esm2",
            "binary_name": "libicu52"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5133-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ],
            "id": "CVE-2020-21913"
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

Ubuntu:Pro:16.04:LTS / icu

Package

Name
icu
Purl
pkg:deb/ubuntu/icu@55.1-7ubuntu0.5+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
55.1-7ubuntu0.5+esm1

Affected versions

55.*

55.1-4ubuntu1
55.1-6ubuntu1
55.1-7
55.1-7ubuntu0.1
55.1-7ubuntu0.2
55.1-7ubuntu0.3
55.1-7ubuntu0.4
55.1-7ubuntu0.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "55.1-7ubuntu0.5+esm1",
            "binary_name": "icu-devtools"
        },
        {
            "binary_version": "55.1-7ubuntu0.5+esm1",
            "binary_name": "libicu-dev"
        },
        {
            "binary_version": "55.1-7ubuntu0.5+esm1",
            "binary_name": "libicu55"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5133-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ],
            "id": "CVE-2020-21913"
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

Ubuntu:18.04:LTS / icu

Package

Name
icu
Purl
pkg:deb/ubuntu/icu@60.2-3ubuntu3.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
60.2-3ubuntu3.2

Affected versions

57.*

57.1-6

59.*

59.1-3ubuntu1

60.*

60.1-1ubuntu2
60.2-1ubuntu1
60.2-3ubuntu1
60.2-3ubuntu3
60.2-3ubuntu3.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "60.2-3ubuntu3.2",
            "binary_name": "icu-devtools"
        },
        {
            "binary_version": "60.2-3ubuntu3.2",
            "binary_name": "libicu-dev"
        },
        {
            "binary_version": "60.2-3ubuntu3.2",
            "binary_name": "libicu60"
        },
        {
            "binary_version": "60.2-3ubuntu3.2",
            "binary_name": "libiculx60"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5133-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ],
            "id": "CVE-2020-21913"
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}