UBUNTU-CVE-2023-38406

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Source
https://ubuntu.com/security/CVE-2023-38406
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38406.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-38406
Upstream
Downstream
Related
Published
2023-11-06T06:15:00Z
Modified
2025-09-08T16:56:25Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

References

Affected packages

Ubuntu:Pro:20.04:LTS / frr

Package

Name
frr
Purl
pkg:deb/ubuntu/frr@7.2.1-1ubuntu0.2+esm2?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.2.1-1ubuntu0.2+esm2

Affected versions

6.*

6.0.2-2build2

7.*

7.2-1ubuntu1
7.2-1ubuntu2
7.2.1-1
7.2.1-1ubuntu0.1
7.2.1-1ubuntu0.2
7.2.1-1ubuntu0.2+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "frr",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "frr-pythontools",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "frr-snmp",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
        }
    ]
}

Ubuntu:22.04:LTS / frr

Package

Name
frr
Purl
pkg:deb/ubuntu/frr@8.1-1ubuntu1.8?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.1-1ubuntu1.8

Affected versions

7.*

7.5.1-1.1

8.*

8.1-1
8.1-1ubuntu1
8.1-1ubuntu1.1
8.1-1ubuntu1.2
8.1-1ubuntu1.3
8.1-1ubuntu1.4
8.1-1ubuntu1.5
8.1-1ubuntu1.6
8.1-1ubuntu1.7

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "frr",
            "binary_version": "8.1-1ubuntu1.8"
        },
        {
            "binary_name": "frr-pythontools",
            "binary_version": "8.1-1ubuntu1.8"
        },
        {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "8.1-1ubuntu1.8"
        },
        {
            "binary_name": "frr-snmp",
            "binary_version": "8.1-1ubuntu1.8"
        }
    ]
}