Medium severity · published Jan 1, 2026
CVE-2025-15418
Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5GS · Open5gs
2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; +1 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15418
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15418
github.com
https://github.com/open5gs/open5gs/
Patch
https://github.com/open5gs/open5gs/commit/4e913d21f2c032b187815f063dbab5ebe65fe83a
Exploit
https://github.com/open5gs/open5gs/issues/4217
Exploit
https://github.com/open5gs/open5gs/issues/4217#issue-3759615968
Exploit
https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105
Permissions Required
https://vuldb.com/?ctiid.339340
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