UBUNTU-CVE-2021-46828

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Source
https://ubuntu.com/security/CVE-2021-46828
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46828.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-46828
Related
Published
2022-07-20T06:15:00Z
Modified
2025-06-02T17:13:13Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.

References

Affected packages

Ubuntu:Pro:16.04:LTS / ntirpc

Package

Name
ntirpc
Purl
pkg:deb/ubuntu/ntirpc@1.3.1-1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.3.1-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / libtirpc

Package

Name
libtirpc
Purl
pkg:deb/ubuntu/libtirpc@1.2.5-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.5-1ubuntu0.1

Affected versions

1.*

1.1.4-0.4
1.1.4-1
1.2.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.2.5-1ubuntu0.1",
            "binary_name": "libtirpc-common"
        },
        {
            "binary_version": "1.2.5-1ubuntu0.1",
            "binary_name": "libtirpc-dev"
        },
        {
            "binary_version": "1.2.5-1ubuntu0.1",
            "binary_name": "libtirpc3"
        },
        {
            "binary_version": "1.2.5-1ubuntu0.1",
            "binary_name": "libtirpc3-dbgsym"
        }
    ],
    "availability": "No subscription required",
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / libtirpc

Package

Name
libtirpc
Purl
pkg:deb/ubuntu/libtirpc@1.3.2-2ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.3.2-2ubuntu0.1

Affected versions

1.*

1.3.2-2
1.3.2-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.2-2ubuntu0.1",
            "binary_name": "libtirpc-common"
        },
        {
            "binary_version": "1.3.2-2ubuntu0.1",
            "binary_name": "libtirpc-dev"
        },
        {
            "binary_version": "1.3.2-2ubuntu0.1",
            "binary_name": "libtirpc3"
        },
        {
            "binary_version": "1.3.2-2ubuntu0.1",
            "binary_name": "libtirpc3-dbgsym"
        }
    ],
    "availability": "No subscription required",
    "ubuntu_priority": "medium"
}