A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing a manipulation results in denial of service. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a. To fix this issue, it is recommended to deploy a patch.
Fix
Patch, vendor advisory and mitigation references on NVD 7
- https://github.com/open5gs/open5gs/commit/4e913d21f2c032b187815f063dbab5ebe65fe83a Patch
- https://github.com/open5gs/open5gs/issues/4217 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217#issue-3759615968 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217#issue-3759615968 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105 Exploit, Issue Tracking, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 1.9 · open5gsNVD modified 2026-10-14 19:10
Affected (CPE criteria) 1
cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
References 11
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/4e913d21f2c032b187815f063dbab5ebe65fe83a Patch
- https://github.com/open5gs/open5gs/issues/4217 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217#issue-3759615968 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105 Exploit, Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.339340 Permissions Required, VDB Entry
- https://vuldb.com/?id.339340 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.728043 Third Party Advisory, VDB Entry
- https://github.com/open5gs/open5gs/issues/4217 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217#issue-3759615968 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105 Exploit, Issue Tracking, Vendor Advisory