USN-4923-1

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Source
https://ubuntu.com/security/notices/USN-4923-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4923-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4923-1
Upstream
Related
Published
2021-04-20T17:08:41.761769Z
Modified
2025-10-13T04:35:27Z
Summary
edk2 vulnerabilities
Details

Laszlo Ersek discovered that EDK II incorrectly handled recursion. A remote attacker could possibly use this issue to cause EDK II to consume resources, leading to a denial of service. (CVE-2021-28210)

Satoshi Tanda discovered that EDK II incorrectly handled decompressing certain images. A remote attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-28211)

References

Affected packages

Ubuntu:20.04:LTS / edk2

Package

Name
edk2
Purl
pkg:deb/ubuntu/edk2@0~20191122.bd85bf54-2ubuntu3.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0~20191122.bd85bf54-2ubuntu3.2

Affected versions

0~20190606.*

0~20190606.20d2e5a1-2ubuntu1

0~20190828.*

0~20190828.37eef910-3
0~20190828.37eef910-4

0~20191122.*

0~20191122.bd85bf54-1
0~20191122.bd85bf54-1ubuntu1
0~20191122.bd85bf54-2
0~20191122.bd85bf54-2ubuntu1
0~20191122.bd85bf54-2ubuntu2
0~20191122.bd85bf54-2ubuntu3
0~20191122.bd85bf54-2ubuntu3.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ovmf",
            "binary_version": "0~20191122.bd85bf54-2ubuntu3.2"
        },
        {
            "binary_name": "qemu-efi",
            "binary_version": "0~20191122.bd85bf54-2ubuntu3.2"
        },
        {
            "binary_name": "qemu-efi-aarch64",
            "binary_version": "0~20191122.bd85bf54-2ubuntu3.2"
        },
        {
            "binary_name": "qemu-efi-arm",
            "binary_version": "0~20191122.bd85bf54-2ubuntu3.2"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2021-28210"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2021-28211"
        }
    ]
}