Open5GS up to 2.7.7 nghttp2-server.c ogs_pool_id_calloc denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Open5GS up to 2.7.7. It has been classified as problematic. Impacted is the function ogs_pool_id_calloc in the library /lib/sbi/nghttp2-server.c. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2026-10117. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Open5GS up to 2.7.7 and classified as problematic. This issue affects the function ogs_pool_id_calloc in the library /lib/sbi/nghttp2-server.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-10117. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-33460). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/29/2026 Advisory disclosed
05/29/2026 +0 days VulDB entry created
05/31/2026 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4474
Status: Confirmed

CVE: CVE-2026-10117 (🔒)
GCVE (CVE): GCVE-0-2026-10117
GCVE (VulDB): GCVE-100-367295
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/29/2026 19:20
Updated: 05/31/2026 04:35
Changes: 05/29/2026 19:20 (56), 05/31/2026 04:35 (1)
Complete: 🔍
Submitter: ZiyuLin
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #818586: Open5GS NRF/UDM/UDR/NSSF/BSF/PCF/AMF/AUSF/SMF v2.7.7 Denial of Service (by ZiyuLin)

Be aware that VulDB is the high quality source for vulnerability data.

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