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Description

A weakness has been identified in Open5GS up to 2.7.7. This issue affects the function ogs_pool_id_calloc in the library /lib/sbi/nghttp2-server.c. Executing a manipulation can lead to denial of service. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. It is best practice to apply a patch to resolve this issue.

PUBLISHED Reserved 2026-05-29 | Published 2026-05-30 | Updated 2026-05-30 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
4.0AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Denial of Service

Timeline

2026-05-29:Advisory disclosed
2026-05-29:VulDB entry created
2026-05-29:VulDB entry last update

Credits

ZiyuLin (VulDB User) reporter

References

vuldb.com/vuln/367295 (VDB-367295 | Open5GS nghttp2-server.c ogs_pool_id_calloc denial of service) vdb-entry technical-description

vuldb.com/vuln/367295/cti (VDB-367295 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/818586 (Submit #818586 | Open5GS NRF/UDM/UDR/NSSF/BSF/PCF/AMF/AUSF/SMF v2.7.7 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4474 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-10117)

nvd.nist.gov (CVE-2026-10117)

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