VDB-337438 · CVE-2025-65559 · Issue 4135

Open5GS 2.7.5-49-g lib/pfcp/context.c ogs_pfcp_object_teid_hash_set denial of service

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3.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Open5GS 2.7.5-49-g. This affects the function ogs_pfcp_object_teid_hash_set in the library lib/pfcp/context.c. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2025-65559. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Open5GS 2.7.5-49-g. This vulnerability affects the function ogs_pfcp_object_teid_hash_set in the library lib/pfcp/context.c. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in Open5GS 2.7.5-49-g465e90f, when processing a PFCP Session Establishment Request (type=50), the UPF crashes with a reachable assertion in `lib/pfcp/context.c` (`ogs_pfcp_object_teid_hash_set`) if the CreatePDR?PDI?F-TEID has CH=1 and the F-TEID address-family flag(s) (IPv4/IPv6) do not match the GTP-U resource family configured for the selected DNN (Network Instance), resulting in a denial of service.

The advisory is available at github.com. This vulnerability was named CVE-2025-65559 since 11/18/2025. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Open5GS

Version

2.7.5-49-g

Website

Product: https://github.com/open5gs/open5gs/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/18/2025 CVE reserved
12/18/2025 +30 days Advisory disclosed
12/18/2025 +0 days VulDB entry created
12/18/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4135
Status: Confirmed

CVE: CVE-2025-65559 (🔒)
GCVE (CVE): GCVE-0-2025-65559
GCVE (VulDB): GCVE-100-337438

Entryinfo

Created: 12/18/2025 22:12
Changes: 12/18/2025 22:12 (54)
Complete: 🔍
Cache ID: 216::103