CVE-2025-56568

HIGH7.5

Assertion failure vulnerability in the PCO (Protocol Configuration Options) parser in the SMF (Session Management Function) component of Open5GS before v2

Published Apr 30, 2026

Modified 3 weeks ago

Details

Assertion failure vulnerability in the PCO (Protocol Configuration Options) parser in the SMF (Session Management Function) component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol configuration data.

References

WEB

https://github.com/open5gs/open5gs/commit/d7707879c943d2c952235382154d835b5849d54e

WEB

https://github.com/open5gs/open5gs/issues/3969

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2025-56568

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector