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Description

A flaw has been found in Open5GS up to 2.7.5. This affects the function decode_ipv6_header/ogs_pfcp_pdr_rule_find_by_packet of the file lib/pfcp/rule-match.c of the component PFCP Session Establishment Request Handler. Executing a manipulation can lead to reachable assertion. It is possible to launch the attack remotely. The exploit has been published and may be used. This patch is called b72d8349980076e2c033c8324f07747a86eea4f8. Applying a patch is advised to resolve this issue.

PUBLISHED Reserved 2025-12-28 | Published 2025-12-29 | Updated 2026-02-24 | Assigner VulDB




MEDIUM: 6.9CVSS: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
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Reachable Assertion

Timeline

2025-12-28:Advisory disclosed
2025-12-28:VulDB entry created
2026-01-01:VulDB entry last update

Credits

ZiyuLin (VulDB User) reporter

References

vuldb.com/?id.338561 (VDB-338561 | Open5GS PFCP Session Establishment Request rule-match.c ogs_pfcp_pdr_rule_find_by_packet assertion) vdb-entry technical-description

vuldb.com/?ctiid.338561 (VDB-338561 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.719830 (Submit #719830 | Open5GS v2.7.5 Reachable Assertion) third-party-advisory

github.com/open5gs/open5gs/issues/4180 issue-tracking

github.com/open5gs/open5gs/issues/4180 issue-tracking

github.com/open5gs/open5gs/issues/4180 exploit issue-tracking

github.com/...ommit/b72d8349980076e2c033c8324f07747a86eea4f8 patch

github.com/open5gs/open5gs/ product

cve.org (CVE-2025-15176)

nvd.nist.gov (CVE-2025-15176)

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