CVE-2026-1973

Source
https://cve.org/CVERecord?id=CVE-2026-1973
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1973.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-1973
Published
2026-02-06T01:32:08.923Z
Modified
2026-07-15T01:48:55.000305979Z
Severity
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
Free5GC SMF establishPfcpSession null pointer dereference
Details

A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It is best practice to apply a patch to resolve this issue.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1973.json",
    "cwe_ids": [
        "CWE-404",
        "CWE-476"
    ],
    "cna_assigner": "VulDB"
}
References

Affected packages

Git / github.com/free5gc/free5gc

Affected ranges

Type
GIT
Repo
https://github.com/free5gc/free5gc
Events
Database specific
{
    "cpe": "cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*",
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "extracted_events": [
        {
            "introduced": "4.0"
        },
        {
            "last_affected": "4.0"
        },
        {
            "introduced": "4.1.0"
        },
        {
            "last_affected": "4.1.0"
        },
        {
            "introduced": "0"
        }
    ]
}

Affected versions

4.*
4.0
4.1.0
v4.*
v4.0.0
v4.0.1
v4.1.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1973.json"