UBUNTU-CVE-2020-21913

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Source
https://ubuntu.com/security/CVE-2020-21913
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21913.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-21913
Upstream
Downstream
Related
Published
2021-09-20T14:15:00Z
Modified
2025-09-08T16:46:16Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.

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"
}

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"
}

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"
}