USN-5029-1

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Source
https://ubuntu.com/security/notices/USN-5029-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5029-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5029-1
Related
Published
2021-08-02T17:25:02Z
Modified
2026-04-22T10:30:42Z
Summary
gnutls28 vulnerabilities
Details

It was discovered that GnuTLS incorrectly handled sending certain extensions when being used as a client. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:20.04:LTS / gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.6.13-2ubuntu1.6?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.6.13-2ubuntu1.6

Affected versions

3.*
3.6.9-5ubuntu1
3.6.9-5ubuntu2
3.6.10-5
3.6.11.1-2
3.6.11.1-2ubuntu2
3.6.13-2ubuntu1
3.6.13-2ubuntu1.1
3.6.13-2ubuntu1.2
3.6.13-2ubuntu1.3

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "gnutls-bin",
            "binary_version":  "3.6.13-2ubuntu1.6"
        },
        {
            "binary_name":  "guile-gnutls",
            "binary_version":  "3.6.13-2ubuntu1.6"
        },
        {
            "binary_name":  "libgnutls-dane0",
            "binary_version":  "3.6.13-2ubuntu1.6"
        },
        {
            "binary_name":  "libgnutls-openssl27",
            "binary_version":  "3.6.13-2ubuntu1.6"
        },
        {
            "binary_name":  "libgnutls30",
            "binary_version":  "3.6.13-2ubuntu1.6"
        },
        {
            "binary_name":  "libgnutlsxx28",
            "binary_version":  "3.6.13-2ubuntu1.6"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2021-20231",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2021-20232",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5029-1.json"